[ALPS05156188] [Do NOT Sync]Merge branch android-4.14-stable into alps-trunk-r0.basic

[Detail]
	Parent: 816f245a4e
		Merge 4.14.180 into android-4.14-stable
	Start: 86556e67a9
		ANDROID: mmc: MMC crypto API
	Target: 4f02b6c9ac
		Merge 4.14.181 into android-4.14-stable

MTK-Commit-Id: ad78d3f9beacdf2e30e0e08dddcc920d99577dbb

Feature: Others
Change-Id: Ic61391966091aeced2b31721f8b6aa098c0e4ee8
CR-Id: ALPS05156188
Signed-off-by: Breeze.Li <breeze.li@mediatek.com>

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 180
+SUBLEVEL = 181
 EXTRAVERSION =
 NAME = Petit Gorille
 
@@ -685,20 +685,14 @@ KBUILD_CFLAGS	+= $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS	+= $(call cc-disable-warning, attribute-alias)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,)
-else
-ifdef CONFIG_PROFILE_ALL_BRANCHES
-KBUILD_CFLAGS	+= -O2 $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS   += -Os
 else
 KBUILD_CFLAGS   += -O2
 endif
-endif
-
-KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \
-			$(call cc-disable-warning,maybe-uninitialized,))
 
 # Tell gcc to never replace conditional load with a non-conditional one
 KBUILD_CFLAGS	+= $(call cc-option,--param=allow-store-data-races=0)
+KBUILD_CFLAGS	+= $(call cc-option,-fno-allow-store-data-races)
 
 # check for 'asm goto'
 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
@@ -913,6 +907,17 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
 # disable stringop warnings in gcc 8+
 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
 
+# We'll want to enable this eventually, but it's not going away for 5.7 at least
+KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
+KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
+
+# Another good warning that we'll want to enable eventually
+KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
+
+# Enabled with W=2, disabled by default as noisy
+KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
+
 # disable invalid "can't wrap" optimizations for signed / pointers
 KBUILD_CFLAGS	+= $(call cc-option,-fno-strict-overflow)
 

arch/arm/boot/dts/dra7.dtsi

@@ -289,6 +289,7 @@
 			#address-cells = <1>;
 			ranges = <0x51000000 0x51000000 0x3000
 				  0x0	     0x20000000 0x10000000>;
+			dma-ranges;
 			/**
 			 * To enable PCI endpoint mode, disable the pcie1_rc
 			 * node and enable pcie1_ep mode.
@@ -303,7 +304,6 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x20013000 0x13000 0 0xffed000>;
-				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;
@@ -347,6 +347,7 @@
 			#address-cells = <1>;
 			ranges = <0x51800000 0x51800000 0x3000
 				  0x0	     0x30000000 0x10000000>;
+			dma-ranges;
 			status = "disabled";
 			pcie@51800000 {
 				compatible = "ti,dra7-pcie";
@@ -358,7 +359,6 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x30013000 0x13000 0 0xffed000>;
-				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;

arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts

@@ -81,8 +81,8 @@
 	imx27-phycard-s-rdk {
 		pinctrl_i2c1: i2c1grp {
 			fsl,pins = <
-				MX27_PAD_I2C2_SDA__I2C2_SDA 0x0
-				MX27_PAD_I2C2_SCL__I2C2_SCL 0x0
+				MX27_PAD_I2C_DATA__I2C_DATA 0x0
+				MX27_PAD_I2C_CLK__I2C_CLK 0x0
 			>;
 		};
 

arch/arm/boot/dts/r8a73a4.dtsi

@@ -133,7 +133,14 @@
 	cmt1: timer@e6130000 {
 		compatible = "renesas,cmt-48-r8a73a4", "renesas,cmt-48-gen2";
 		reg = <0 0xe6130000 0 0x1004>;
-		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp3_clks R8A73A4_CLK_CMT1>;
 		clock-names = "fck";
 		power-domains = <&pd_c5>;

arch/arm/boot/dts/r8a7740.dtsi

@@ -467,7 +467,7 @@
 		cpg_clocks: cpg_clocks@e6150000 {
 			compatible = "renesas,r8a7740-cpg-clocks";
 			reg = <0xe6150000 0x10000>;
-			clocks = <&extal1_clk>, <&extalr_clk>;
+			clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
 			#clock-cells = <1>;
 			clock-output-names = "system", "pllc0", "pllc1",
 					     "pllc2", "r",

arch/arm64/boot/dts/rockchip/rk3328-evb.dts

@@ -91,7 +91,7 @@
 &i2c1 {
 	status = "okay";
 
-	rk805: rk805@18 {
+	rk805: pmic@18 {
 		compatible = "rockchip,rk805";
 		reg = <0x18>;
 		interrupt-parent = <&gpio2>;

arch/arm64/boot/dts/rockchip/rk3328-rock64.dts

@@ -149,7 +149,7 @@
 &i2c1 {
 	status = "okay";
 
-	rk805: rk805@18 {
+	rk805: pmic@18 {
 		compatible = "rockchip,rk805";
 		reg = <0x18>;
 		interrupt-parent = <&gpio2>;

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -402,7 +402,7 @@
 			      "bus_clk", "grf_clk";
 		status = "disabled";
 
-		usbdrd_dwc3_0: dwc3 {
+		usbdrd_dwc3_0: usb@fe800000 {
 			compatible = "snps,dwc3";
 			reg = <0x0 0xfe800000 0x0 0x100000>;
 			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH 0>;
@@ -430,7 +430,7 @@
 			      "bus_clk", "grf_clk";
 		status = "disabled";
 
-		usbdrd_dwc3_1: dwc3 {
+		usbdrd_dwc3_1: usb@fe900000 {
 			compatible = "snps,dwc3";
 			reg = <0x0 0xfe900000 0x0 0x100000>;
 			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>;

arch/arm64/configs/cuttlefish_defconfig

@@ -17,7 +17,6 @@ CONFIG_CPUSETS=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_BPF=y
 CONFIG_NAMESPACES=y
-# CONFIG_UTS_NS is not set
 # CONFIG_PID_NS is not set
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_SCHED_TUNE=y
@@ -95,7 +94,9 @@ CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPIP=y
 CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
 CONFIG_NET_IPVTI=y
 CONFIG_INET_ESP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
@@ -112,6 +113,7 @@ CONFIG_INET6_ESP=y
 CONFIG_INET6_IPCOMP=y
 CONFIG_IPV6_MIP6=y
 CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
 CONFIG_NETFILTER=y
 CONFIG_NF_CONNTRACK=y
@@ -231,6 +233,7 @@ CONFIG_DUMMY=y
 CONFIG_NETCONSOLE=y
 CONFIG_NETCONSOLE_DYNAMIC=y
 CONFIG_TUN=y
+CONFIG_VETH=y
 CONFIG_VIRTIO_NET=y
 # CONFIG_ETHERNET is not set
 CONFIG_PHYLIB=y
@@ -389,6 +392,7 @@ CONFIG_MMC=y
 # CONFIG_PWRSEQ_EMMC is not set
 # CONFIG_PWRSEQ_SIMPLE is not set
 # CONFIG_MMC_BLOCK is not set
+CONFIG_MMC_CRYPTO=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_HCTOSYS is not set
 # CONFIG_RTC_SYSTOHC is not set
@@ -460,6 +464,7 @@ CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_LSM_MMAP_MIN_ADDR=65536
 CONFIG_HARDENED_USERCOPY=y
+CONFIG_STATIC_USERMODEHELPER=y
 CONFIG_SECURITY_SELINUX=y
 CONFIG_INIT_STACK_ALL=y
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y

arch/x86/configs/x86_64_cuttlefish_defconfig

@@ -22,7 +22,6 @@ CONFIG_CPUSETS=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_BPF=y
 CONFIG_NAMESPACES=y
-# CONFIG_UTS_NS is not set
 # CONFIG_PID_NS is not set
 CONFIG_SCHED_TUNE=y
 CONFIG_BLK_DEV_INITRD=y
@@ -102,7 +101,9 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IP_ROUTE_MULTIPATH=y
 CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_NET_IPIP=y
 CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
 CONFIG_IP_MROUTE=y
 CONFIG_IP_PIMSM_V1=y
 CONFIG_IP_PIMSM_V2=y
@@ -125,6 +126,7 @@ CONFIG_INET6_ESP=y
 CONFIG_INET6_IPCOMP=y
 CONFIG_IPV6_MIP6=y
 CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
 CONFIG_NETLABEL=y
 CONFIG_NETFILTER=y
@@ -257,6 +259,7 @@ CONFIG_DUMMY=y
 CONFIG_NETCONSOLE=y
 CONFIG_NETCONSOLE_DYNAMIC=y
 CONFIG_TUN=y
+CONFIG_VETH=y
 CONFIG_VIRTIO_NET=y
 # CONFIG_ETHERNET is not set
 CONFIG_PPP=y
@@ -503,6 +506,7 @@ CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_SECURITY_PATH=y
 CONFIG_HARDENED_USERCOPY=y
+CONFIG_STATIC_USERMODEHELPER=y
 CONFIG_SECURITY_SELINUX=y
 CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
 CONFIG_INIT_STACK_ALL=y

arch/x86/entry/calling.h

@@ -98,13 +98,6 @@ For 32-bit we have the following conventions - kernel is built with
 #define SIZEOF_PTREGS	21*8
 
 .macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax save_ret=0
-	/*
-	 * Push registers and sanitize registers of values that a
-	 * speculation attack might otherwise want to exploit. The
-	 * lower registers are likely clobbered well before they
-	 * could be put to use in a speculative execution gadget.
-	 * Interleave XOR with PUSH for better uop scheduling:
-	 */
 	.if \save_ret
 	pushq	%rsi		/* pt_regs->si */
 	movq	8(%rsp), %rsi	/* temporarily store the return address in %rsi */
@@ -117,29 +110,40 @@ For 32-bit we have the following conventions - kernel is built with
 	pushq   %rcx		/* pt_regs->cx */
 	pushq   \rax		/* pt_regs->ax */
 	pushq   %r8		/* pt_regs->r8 */
-	xorl	%r8d, %r8d	/* nospec   r8 */
 	pushq   %r9		/* pt_regs->r9 */
-	xorl	%r9d, %r9d	/* nospec   r9 */
 	pushq   %r10		/* pt_regs->r10 */
-	xorl	%r10d, %r10d	/* nospec   r10 */
 	pushq   %r11		/* pt_regs->r11 */
-	xorl	%r11d, %r11d	/* nospec   r11*/
 	pushq	%rbx		/* pt_regs->rbx */
-	xorl    %ebx, %ebx	/* nospec   rbx*/
 	pushq	%rbp		/* pt_regs->rbp */
-	xorl    %ebp, %ebp	/* nospec   rbp*/
 	pushq	%r12		/* pt_regs->r12 */
-	xorl	%r12d, %r12d	/* nospec   r12*/
 	pushq	%r13		/* pt_regs->r13 */
-	xorl	%r13d, %r13d	/* nospec   r13*/
 	pushq	%r14		/* pt_regs->r14 */
-	xorl	%r14d, %r14d	/* nospec   r14*/
 	pushq	%r15		/* pt_regs->r15 */
-	xorl	%r15d, %r15d	/* nospec   r15*/
 	UNWIND_HINT_REGS
+
 	.if \save_ret
 	pushq	%rsi		/* return address on top of stack */
 	.endif
+
+	/*
+	 * Sanitize registers of values that a speculation attack might
+	 * otherwise want to exploit. The lower registers are likely clobbered
+	 * well before they could be put to use in a speculative execution
+	 * gadget.
+	 */
+	xorl	%edx,  %edx	/* nospec dx  */
+	xorl	%ecx,  %ecx	/* nospec cx  */
+	xorl	%r8d,  %r8d	/* nospec r8  */
+	xorl	%r9d,  %r9d	/* nospec r9  */
+	xorl	%r10d, %r10d	/* nospec r10 */
+	xorl	%r11d, %r11d	/* nospec r11 */
+	xorl	%ebx,  %ebx	/* nospec rbx */
+	xorl	%ebp,  %ebp	/* nospec rbp */
+	xorl	%r12d, %r12d	/* nospec r12 */
+	xorl	%r13d, %r13d	/* nospec r13 */
+	xorl	%r14d, %r14d	/* nospec r14 */
+	xorl	%r15d, %r15d	/* nospec r15 */
+
 .endm
 
 .macro POP_REGS pop_rdi=1 skip_r11rcx=0

arch/x86/entry/entry_64.S

@@ -302,7 +302,6 @@ GLOBAL(entry_SYSCALL_64_after_hwframe)
 	 */
 syscall_return_via_sysret:
 	/* rcx and r11 are already restored (see code above) */
-	UNWIND_HINT_EMPTY
 	POP_REGS pop_rdi=0 skip_r11rcx=1
 
 	/*
@@ -311,6 +310,7 @@ syscall_return_via_sysret:
 	 */
 	movq	%rsp, %rdi
 	movq	PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp
+	UNWIND_HINT_EMPTY
 
 	pushq	RSP-RDI(%rdi)	/* RSP */
 	pushq	(%rdi)		/* RDI */
@@ -606,6 +606,7 @@ GLOBAL(swapgs_restore_regs_and_return_to_usermode)
 	 */
 	movq	%rsp, %rdi
 	movq	PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp
+	UNWIND_HINT_EMPTY
 
 	/* Copy the IRET frame to the trampoline stack. */
 	pushq	6*8(%rdi)	/* SS */
@@ -1648,7 +1649,7 @@ ENTRY(rewind_stack_do_exit)
 
 	movq	PER_CPU_VAR(cpu_current_top_of_stack), %rax
 	leaq	-PTREGS_SIZE(%rax), %rsp
-	UNWIND_HINT_FUNC sp_offset=PTREGS_SIZE
+	UNWIND_HINT_REGS
 
 	call	do_exit
 END(rewind_stack_do_exit)

arch/x86/include/asm/bitops.h

@@ -78,7 +78,7 @@ set_bit(long nr, volatile unsigned long *addr)
 			: "iq" ((u8)CONST_MASK(nr))
 			: "memory");
 	} else {
-		asm volatile(LOCK_PREFIX "bts %1,%0"
+		asm volatile(LOCK_PREFIX __ASM_SIZE(bts) " %1,%0"
 			: BITOP_ADDR(addr) : "Ir" (nr) : "memory");
 	}
 }
@@ -94,7 +94,7 @@ set_bit(long nr, volatile unsigned long *addr)
  */
 static __always_inline void __set_bit(long nr, volatile unsigned long *addr)
 {
-	asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory");
+	asm volatile(__ASM_SIZE(bts) " %1,%0" : ADDR : "Ir" (nr) : "memory");
 }
 
 /**
@@ -115,7 +115,7 @@ clear_bit(long nr, volatile unsigned long *addr)
 			: CONST_MASK_ADDR(nr, addr)
 			: "iq" ((u8)~CONST_MASK(nr)));
 	} else {
-		asm volatile(LOCK_PREFIX "btr %1,%0"
+		asm volatile(LOCK_PREFIX __ASM_SIZE(btr) " %1,%0"
 			: BITOP_ADDR(addr)
 			: "Ir" (nr));
 	}
@@ -137,7 +137,7 @@ static __always_inline void clear_bit_unlock(long nr, volatile unsigned long *ad
 
 static __always_inline void __clear_bit(long nr, volatile unsigned long *addr)
 {
-	asm volatile("btr %1,%0" : ADDR : "Ir" (nr));
+	asm volatile(__ASM_SIZE(btr) " %1,%0" : ADDR : "Ir" (nr));
 }
 
 static __always_inline bool clear_bit_unlock_is_negative_byte(long nr, volatile unsigned long *addr)
@@ -182,7 +182,7 @@ static __always_inline void __clear_bit_unlock(long nr, volatile unsigned long *
  */
 static __always_inline void __change_bit(long nr, volatile unsigned long *addr)
 {
-	asm volatile("btc %1,%0" : ADDR : "Ir" (nr));
+	asm volatile(__ASM_SIZE(btc) " %1,%0" : ADDR : "Ir" (nr));
 }
 
 /**
@@ -201,7 +201,7 @@ static __always_inline void change_bit(long nr, volatile unsigned long *addr)
 			: CONST_MASK_ADDR(nr, addr)
 			: "iq" ((u8)CONST_MASK(nr)));
 	} else {
-		asm volatile(LOCK_PREFIX "btc %1,%0"
+		asm volatile(LOCK_PREFIX __ASM_SIZE(btc) " %1,%0"
 			: BITOP_ADDR(addr)
 			: "Ir" (nr));
 	}
@@ -217,7 +217,8 @@ static __always_inline void change_bit(long nr, volatile unsigned long *addr)
  */
 static __always_inline bool test_and_set_bit(long nr, volatile unsigned long *addr)
 {
-	GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", c);
+	GEN_BINARY_RMWcc(LOCK_PREFIX __ASM_SIZE(bts),
+	                 *addr, "Ir", nr, "%0", c);
 }
 
 /**
@@ -246,7 +247,7 @@ static __always_inline bool __test_and_set_bit(long nr, volatile unsigned long *
 {
 	bool oldbit;
 
-	asm("bts %2,%1"
+	asm(__ASM_SIZE(bts) " %2,%1"
 	    CC_SET(c)
 	    : CC_OUT(c) (oldbit), ADDR
 	    : "Ir" (nr));
@@ -263,7 +264,8 @@ static __always_inline bool __test_and_set_bit(long nr, volatile unsigned long *
  */
 static __always_inline bool test_and_clear_bit(long nr, volatile unsigned long *addr)
 {
-	GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", c);
+	GEN_BINARY_RMWcc(LOCK_PREFIX __ASM_SIZE(btr),
+	                 *addr, "Ir", nr, "%0", c);
 }
 
 /**
@@ -286,7 +288,7 @@ static __always_inline bool __test_and_clear_bit(long nr, volatile unsigned long
 {
 	bool oldbit;
 
-	asm volatile("btr %2,%1"
+	asm volatile(__ASM_SIZE(btr) " %2,%1"
 		     CC_SET(c)
 		     : CC_OUT(c) (oldbit), ADDR
 		     : "Ir" (nr));
@@ -298,7 +300,7 @@ static __always_inline bool __test_and_change_bit(long nr, volatile unsigned lon
 {
 	bool oldbit;
 
-	asm volatile("btc %2,%1"
+	asm volatile(__ASM_SIZE(btc) " %2,%1"
 		     CC_SET(c)
 		     : CC_OUT(c) (oldbit), ADDR
 		     : "Ir" (nr) : "memory");
@@ -316,7 +318,8 @@ static __always_inline bool __test_and_change_bit(long nr, volatile unsigned lon
  */
 static __always_inline bool test_and_change_bit(long nr, volatile unsigned long *addr)
 {
-	GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", c);
+	GEN_BINARY_RMWcc(LOCK_PREFIX __ASM_SIZE(btc),
+	                 *addr, "Ir", nr, "%0", c);
 }
 
 static __always_inline bool constant_test_bit(long nr, const volatile unsigned long *addr)
@@ -329,7 +332,7 @@ static __always_inline bool variable_test_bit(long nr, volatile const unsigned l
 {
 	bool oldbit;
 
-	asm volatile("bt %2,%1"
+	asm volatile(__ASM_SIZE(bt) " %2,%1"
 		     CC_SET(c)
 		     : CC_OUT(c) (oldbit)
 		     : "m" (*(unsigned long *)addr), "Ir" (nr));

arch/x86/include/asm/percpu.h

@@ -526,7 +526,7 @@ static inline bool x86_this_cpu_variable_test_bit(int nr,
 {
 	bool oldbit;
 
-	asm volatile("bt "__percpu_arg(2)",%1"
+	asm volatile("btl "__percpu_arg(2)",%1"
 			CC_SET(c)
 			: CC_OUT(c) (oldbit)
 			: "m" (*(unsigned long __percpu *)addr), "Ir" (nr));

arch/x86/include/asm/stackprotector.h

@@ -55,8 +55,13 @@
 /*
  * Initialize the stackprotector canary value.
  *
- * NOTE: this must only be called from functions that never return,
+ * NOTE: this must only be called from functions that never return
  * and it must always be inlined.
+ *
+ * In addition, it should be called from a compilation unit for which
+ * stack protector is disabled. Alternatively, the caller should not end
+ * with a function call which gets tail-call optimized as that would
+ * lead to checking a modified canary value.
  */
 static __always_inline void boot_init_stack_canary(void)
 {

arch/x86/kernel/smpboot.c

@@ -270,6 +270,14 @@ static void notrace start_secondary(void *unused)
 
 	wmb();
 	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+
+	/*
+	 * Prevent tail call to cpu_startup_entry() because the stack protector
+	 * guard has been changed a couple of function calls up, in
+	 * boot_init_stack_canary() and must not be checked before tail calling
+	 * another function.
+	 */
+	prevent_tail_call_optimization();
 }
 
 /**

arch/x86/kernel/time.c

@@ -24,10 +24,6 @@
 #include <asm/hpet.h>
 #include <asm/time.h>
 
-#ifdef CONFIG_X86_64
-__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES;
-#endif
-
 unsigned long profile_pc(struct pt_regs *regs)
 {
 	unsigned long pc = instruction_pointer(regs);

arch/x86/kernel/unwind_orc.c

@@ -90,9 +90,6 @@ static struct orc_entry null_orc_entry = {
 
 static struct orc_entry *orc_find(unsigned long ip)
 {
-	if (!orc_init)
-		return NULL;
-
 	if (ip == 0)
 		return &null_orc_entry;
 
@@ -460,7 +457,7 @@ bool unwind_next_frame(struct unwind_state *state)
 	default:
 		orc_warn("unknown .orc_unwind entry type %d for ip %pB\n",
 			 orc->type, (void *)orig_ip);
-		break;
+		goto done;
 	}
 
 	/* Find BP: */
@@ -511,17 +508,20 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
 	memset(state, 0, sizeof(*state));
 	state->task = task;
 
+	if (!orc_init)
+		goto err;
+
 	/*
 	 * Refuse to unwind the stack of a task while it's executing on another
 	 * CPU.  This check is racy, but that's ok: the unwinder has other
 	 * checks to prevent it from going off the rails.
 	 */
 	if (task_on_another_cpu(task))
-		goto done;
+		goto err;
 
 	if (regs) {
 		if (user_mode(regs))
-			goto done;
+			goto the_end;
 
 		state->ip = regs->ip;
 		state->sp = kernel_stack_pointer(regs);
@@ -554,6 +554,7 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
 		 * generate some kind of backtrace if this happens.
 		 */
 		void *next_page = (void *)PAGE_ALIGN((unsigned long)state->sp);
+		state->error = true;
 		if (get_stack_info(next_page, state->task, &state->stack_info,
 				   &state->stack_mask))
 			return;
@@ -574,13 +575,14 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
 	/* Otherwise, skip ahead to the user-specified starting frame: */
 	while (!unwind_done(state) &&
 	       (!on_stack(&state->stack_info, first_frame, sizeof(long)) ||
-			state->sp <= (unsigned long)first_frame))
+			state->sp < (unsigned long)first_frame))
 		unwind_next_frame(state);
 
 	return;
 
-done:
+err:
+	state->error = true;
+the_end:
 	state->stack_info.type = STACK_TYPE_UNKNOWN;
-	return;
 }
 EXPORT_SYMBOL_GPL(__unwind_start);

arch/x86/kernel/vmlinux.lds.S

@@ -36,13 +36,13 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
 #ifdef CONFIG_X86_32
 OUTPUT_ARCH(i386)
 ENTRY(phys_startup_32)
-jiffies = jiffies_64;
 #else
 OUTPUT_ARCH(i386:x86-64)
 ENTRY(phys_startup_64)
-jiffies_64 = jiffies;
 #endif
 
+jiffies = jiffies_64;
+
 #if defined(CONFIG_X86_64)
 /*
  * On 64-bit, align RODATA to 2MB so we retain large page mappings for

arch/x86/kvm/x86.c

@@ -3214,7 +3214,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 	unsigned bank_num = mcg_cap & 0xff, bank;
 
 	r = -EINVAL;
-	if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
+	if (!bank_num || bank_num > KVM_MAX_MCE_BANKS)
 		goto out;
 	if (mcg_cap & ~(kvm_mce_cap_supported | 0xff | 0xff0000))
 		goto out;

arch/x86/xen/smp_pv.c

@@ -89,6 +89,7 @@ asmlinkage __visible void cpu_bringup_and_idle(void)
 {
 	cpu_bringup();
 	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+	prevent_tail_call_optimization();
 }
 
 void xen_smp_intr_free_pv(unsigned int cpu)

block/blk-crypto.c

@@ -108,9 +108,10 @@ int blk_crypto_submit_bio(struct bio **bio_ptr)
 
 	/* Get device keyslot if supported */
 	if (keyslot_manager_crypto_mode_supported(q->ksm,
-						  bc->bc_key->crypto_mode,
-						  bc->bc_key->data_unit_size,
-						  bc->bc_key->is_hw_wrapped)) {
+				bc->bc_key->crypto_mode,
+				blk_crypto_key_dun_bytes(bc->bc_key),
+				bc->bc_key->data_unit_size,
+				bc->bc_key->is_hw_wrapped)) {
 		err = bio_crypt_ctx_acquire_keyslot(bc, q->ksm);
 		if (!err)
 			return 0;
@@ -180,6 +181,8 @@ bool blk_crypto_endio(struct bio *bio)
  *                @is_hw_wrapped has to be set for such keys)
  * @is_hw_wrapped: Denotes @raw_key is wrapped.
  * @crypto_mode: identifier for the encryption algorithm to use
+ * @dun_bytes: number of bytes that will be used to specify the DUN when this
+ *	       key is used
  * @data_unit_size: the data unit size to use for en/decryption
  *
  * Return: The blk_crypto_key that was prepared, or an ERR_PTR() on error.  When
@@ -189,10 +192,12 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
 			const u8 *raw_key, unsigned int raw_key_size,
 			bool is_hw_wrapped,
 			enum blk_crypto_mode_num crypto_mode,
+			unsigned int dun_bytes,
 			unsigned int data_unit_size)
 {
 	const struct blk_crypto_mode *mode;
 	static siphash_key_t hash_key;
+	u32 hash;
 
 	memset(blk_key, 0, sizeof(*blk_key));
 
@@ -211,6 +216,9 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
 			return -EINVAL;
 	}
 
+	if (dun_bytes <= 0 || dun_bytes > BLK_CRYPTO_MAX_IV_SIZE)
+		return -EINVAL;
+
 	if (!is_power_of_2(data_unit_size))
 		return -EINVAL;
 
@@ -227,7 +235,8 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
 	 * precomputed here so that it only needs to be computed once per key.
 	 */
 	get_random_once(&hash_key, sizeof(hash_key));
-	blk_key->hash = siphash(raw_key, raw_key_size, &hash_key);
+	hash = (u32)siphash(raw_key, raw_key_size, &hash_key);
+	blk_crypto_key_set_hash_and_dun_bytes(blk_key, hash, dun_bytes);
 
 	return 0;
 }
@@ -236,6 +245,7 @@ EXPORT_SYMBOL_GPL(blk_crypto_init_key);
 /**
  * blk_crypto_start_using_mode() - Start using blk-crypto on a device
  * @crypto_mode: the crypto mode that will be used
+ * @dun_bytes: number of bytes that will be used to specify the DUN
  * @data_unit_size: the data unit size that will be used
  * @is_hw_wrapped_key: whether the key will be hardware-wrapped
  * @q: the request queue for the device
@@ -249,12 +259,13 @@ EXPORT_SYMBOL_GPL(blk_crypto_init_key);
  *	   algorithm is disabled in the crypto API; or another -errno code.
  */
 int blk_crypto_start_using_mode(enum blk_crypto_mode_num crypto_mode,
+				unsigned int dun_bytes,
 				unsigned int data_unit_size,
 				bool is_hw_wrapped_key,
 				struct request_queue *q)
 {
 	if (keyslot_manager_crypto_mode_supported(q->ksm, crypto_mode,
-						  data_unit_size,
+						  dun_bytes, data_unit_size,
 						  is_hw_wrapped_key))
 		return 0;
 	if (is_hw_wrapped_key) {
@@ -285,6 +296,7 @@ int blk_crypto_evict_key(struct request_queue *q,
 {
 	if (q->ksm &&
 	    keyslot_manager_crypto_mode_supported(q->ksm, key->crypto_mode,
+						  blk_crypto_key_dun_bytes(key),
 						  key->data_unit_size,
 						  key->is_hw_wrapped))
 		return keyslot_manager_evict_key(q->ksm, key);

block/keyslot-manager.c

@@ -46,6 +46,7 @@ struct keyslot_manager {
 	struct keyslot_mgmt_ll_ops ksm_ll_ops;
 	unsigned int features;
 	unsigned int crypto_mode_supported[BLK_ENCRYPTION_MODE_MAX];
+	unsigned int max_dun_bytes_supported;
 	void *ll_priv_data;
 
 #ifdef CONFIG_PM
@@ -183,6 +184,7 @@ struct keyslot_manager *keyslot_manager_create(
 	ksm->features = features;
 	memcpy(ksm->crypto_mode_supported, crypto_mode_supported,
 	       sizeof(ksm->crypto_mode_supported));
+	ksm->max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE;
 	ksm->ll_priv_data = ll_priv_data;
 	keyslot_manager_set_dev(ksm, dev);
 
@@ -215,11 +217,19 @@ err_free_ksm:
 }
 EXPORT_SYMBOL_GPL(keyslot_manager_create);
 
+void keyslot_manager_set_max_dun_bytes(struct keyslot_manager *ksm,
+				       unsigned int max_dun_bytes)
+{
+	ksm->max_dun_bytes_supported = max_dun_bytes;
+}
+EXPORT_SYMBOL_GPL(keyslot_manager_set_max_dun_bytes);
+
 static inline struct hlist_head *
 hash_bucket_for_key(struct keyslot_manager *ksm,
 		    const struct blk_crypto_key *key)
 {
-	return &ksm->slot_hashtable[key->hash & (ksm->slot_hashtable_size - 1)];
+	return &ksm->slot_hashtable[blk_crypto_key_hash(key) &
+				    (ksm->slot_hashtable_size - 1)];
 }
 
 static void remove_slot_from_lru_list(struct keyslot_manager *ksm, int slot)
@@ -392,6 +402,7 @@ void keyslot_manager_put_slot(struct keyslot_manager *ksm, unsigned int slot)
  *					     combination is supported by a ksm.
  * @ksm: The keyslot manager to check
  * @crypto_mode: The crypto mode to check for.
+ * @dun_bytes: The number of bytes that will be used to specify the DUN
  * @data_unit_size: The data_unit_size for the mode.
  * @is_hw_wrapped_key: Whether a hardware-wrapped key will be used.
  *
@@ -403,6 +414,7 @@ void keyslot_manager_put_slot(struct keyslot_manager *ksm, unsigned int slot)
  */
 bool keyslot_manager_crypto_mode_supported(struct keyslot_manager *ksm,
 					   enum blk_crypto_mode_num crypto_mode,
+					   unsigned int dun_bytes,
 					   unsigned int data_unit_size,
 					   bool is_hw_wrapped_key)
 {
@@ -419,7 +431,10 @@ bool keyslot_manager_crypto_mode_supported(struct keyslot_manager *ksm,
 		if (!(ksm->features & BLK_CRYPTO_FEATURE_STANDARD_KEYS))
 			return false;
 	}
-	return ksm->crypto_mode_supported[crypto_mode] & data_unit_size;
+	if (!(ksm->crypto_mode_supported[crypto_mode] & data_unit_size))
+		return false;
+
+	return ksm->max_dun_bytes_supported >= dun_bytes;
 }
 
 /**
@@ -566,6 +581,7 @@ struct keyslot_manager *keyslot_manager_create_passthrough(
 	ksm->features = features;
 	memcpy(ksm->crypto_mode_supported, crypto_mode_supported,
 	       sizeof(ksm->crypto_mode_supported));
+	ksm->max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE;
 	ksm->ll_priv_data = ll_priv_data;
 	keyslot_manager_set_dev(ksm, dev);
 
@@ -593,12 +609,16 @@ void keyslot_manager_intersect_modes(struct keyslot_manager *parent,
 		unsigned int i;
 
 		parent->features &= child->features;
+		parent->max_dun_bytes_supported =
+			min(parent->max_dun_bytes_supported,
+			    child->max_dun_bytes_supported);
 		for (i = 0; i < ARRAY_SIZE(child->crypto_mode_supported); i++) {
 			parent->crypto_mode_supported[i] &=
 				child->crypto_mode_supported[i];
 		}
 	} else {
 		parent->features = 0;
+		parent->max_dun_bytes_supported = 0;
 		memset(parent->crypto_mode_supported, 0,
 		       sizeof(parent->crypto_mode_supported));
 	}

build.config.common

@@ -3,7 +3,7 @@ KERNEL_DIR=common
 
 CC=clang
 LD=ld.lld
-CLANG_PREBUILT_BIN=prebuilts-master/clang/host/linux-x86/clang-r377782c/bin
+CLANG_PREBUILT_BIN=prebuilts-master/clang/host/linux-x86/clang-r383902/bin
 BUILDTOOLS_PREBUILT_BIN=build/build-tools/path/linux-x86
 
 EXTRA_CMDS=''

crypto/lrw.c

@@ -531,7 +531,7 @@ static void exit_tfm(struct crypto_skcipher *tfm)
 	crypto_free_skcipher(ctx->child);
 }
 
-static void free(struct skcipher_instance *inst)
+static void free_inst(struct skcipher_instance *inst)
 {
 	crypto_drop_skcipher(skcipher_instance_ctx(inst));
 	kfree(inst);
@@ -642,7 +642,7 @@ static int create(struct crypto_template *tmpl, struct rtattr **tb)
 	inst->alg.encrypt = encrypt;
 	inst->alg.decrypt = decrypt;
 
-	inst->free = free;
+	inst->free = free_inst;
 
 	err = skcipher_register_instance(tmpl, inst);
 	if (err)

crypto/xts.c

@@ -469,7 +469,7 @@ static void exit_tfm(struct crypto_skcipher *tfm)
 	crypto_free_cipher(ctx->tweak);
 }
 
-static void free(struct skcipher_instance *inst)
+static void free_inst(struct skcipher_instance *inst)
 {
 	crypto_drop_skcipher(skcipher_instance_ctx(inst));
 	kfree(inst);
@@ -580,7 +580,7 @@ static int create(struct crypto_template *tmpl, struct rtattr **tb)
 	inst->alg.encrypt = encrypt;
 	inst->alg.decrypt = decrypt;
 
-	inst->free = free;
+	inst->free = free_inst;
 
 	err = skcipher_register_instance(tmpl, inst);
 	if (err)

drivers/block/virtio_blk.c

@@ -31,6 +31,15 @@ struct virtio_blk_vq {
 } ____cacheline_aligned_in_smp;
 
 struct virtio_blk {
+	/*
+	 * This mutex must be held by anything that may run after
+	 * virtblk_remove() sets vblk->vdev to NULL.
+	 *
+	 * blk-mq, virtqueue processing, and sysfs attribute code paths are
+	 * shut down before vblk->vdev is set to NULL and therefore do not need
+	 * to hold this mutex.
+	 */
+	struct mutex vdev_mutex;
 	struct virtio_device *vdev;
 
 	/* The disk structure for the kernel. */
@@ -42,6 +51,13 @@ struct virtio_blk {
 	/* Process context for config space updates */
 	struct work_struct config_work;
 
+	/*
+	 * Tracks references from block_device_operations open/release and
+	 * virtio_driver probe/remove so this object can be freed once no
+	 * longer in use.
+	 */
+	refcount_t refs;
+
 	/* What host tells us, plus 2 for header & tailer. */
 	unsigned int sg_elems;
 
@@ -315,10 +331,55 @@ out:
 	return err;
 }
 
+static void virtblk_get(struct virtio_blk *vblk)
+{
+	refcount_inc(&vblk->refs);
+}
+
+static void virtblk_put(struct virtio_blk *vblk)
+{
+	if (refcount_dec_and_test(&vblk->refs)) {
+		ida_simple_remove(&vd_index_ida, vblk->index);
+		mutex_destroy(&vblk->vdev_mutex);
+		kfree(vblk);
+	}
+}
+
+static int virtblk_open(struct block_device *bd, fmode_t mode)
+{
+	struct virtio_blk *vblk = bd->bd_disk->private_data;
+	int ret = 0;
+
+	mutex_lock(&vblk->vdev_mutex);
+
+	if (vblk->vdev)
+		virtblk_get(vblk);
+	else
+		ret = -ENXIO;
+
+	mutex_unlock(&vblk->vdev_mutex);
+	return ret;
+}
+
+static void virtblk_release(struct gendisk *disk, fmode_t mode)
+{
+	struct virtio_blk *vblk = disk->private_data;
+
+	virtblk_put(vblk);
+}
+
 /* We provide getgeo only to please some old bootloader/partitioning tools */
 static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 {
 	struct virtio_blk *vblk = bd->bd_disk->private_data;
+	int ret = 0;
+
+	mutex_lock(&vblk->vdev_mutex);
+
+	if (!vblk->vdev) {
+		ret = -ENXIO;
+		goto out;
+	}
 
 	/* see if the host passed in geometry config */
 	if (virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_GEOMETRY)) {
@@ -334,12 +395,16 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 		geo->sectors = 1 << 5;
 		geo->cylinders = get_capacity(bd->bd_disk) >> 11;
 	}
-	return 0;
+out:
+	mutex_unlock(&vblk->vdev_mutex);
+	return ret;
 }
 
 static const struct block_device_operations virtblk_fops = {
 	.ioctl  = virtblk_ioctl,
 	.owner  = THIS_MODULE,
+	.open = virtblk_open,
+	.release = virtblk_release,
 	.getgeo = virtblk_getgeo,
 };
 
@@ -659,6 +724,10 @@ static int virtblk_probe(struct virtio_device *vdev)
 		goto out_free_index;
 	}
 
+	/* This reference is dropped in virtblk_remove(). */
+	refcount_set(&vblk->refs, 1);
+	mutex_init(&vblk->vdev_mutex);
+
 	vblk->vdev = vdev;
 	vblk->sg_elems = sg_elems;
 
@@ -821,8 +890,6 @@ out:
 static void virtblk_remove(struct virtio_device *vdev)
 {
 	struct virtio_blk *vblk = vdev->priv;
-	int index = vblk->index;
-	int refc;
 
 	/* Make sure no work handler is accessing the device. */
 	flush_work(&vblk->config_work);
@@ -832,18 +899,21 @@ static void virtblk_remove(struct virtio_device *vdev)
 
 	blk_mq_free_tag_set(&vblk->tag_set);
 
+	mutex_lock(&vblk->vdev_mutex);
+
 	/* Stop all the virtqueues. */
 	vdev->config->reset(vdev);
 
-	refc = kref_read(&disk_to_dev(vblk->disk)->kobj.kref);
+	/* Virtqueues are stopped, nothing can use vblk->vdev anymore. */
+	vblk->vdev = NULL;
+
 	put_disk(vblk->disk);
 	vdev->config->del_vqs(vdev);
 	kfree(vblk->vqs);
-	kfree(vblk);
 
-	/* Only free device id if we don't have any users */
-	if (refc == 1)
-		ida_simple_remove(&vd_index_ida, index);
+	mutex_unlock(&vblk->vdev_mutex);
+
+	virtblk_put(vblk);
 }
 
 #ifdef CONFIG_PM_SLEEP

drivers/char/ipmi/ipmi_ssif.c

@@ -1731,7 +1731,9 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
  out:
 	if (rv) {
-		addr_info->client = NULL;
+		if (addr_info)
+			addr_info->client = NULL;
+
 		dev_err(&client->dev, "Unable to start IPMI SSIF: %d\n", rv);
 		kfree(ssif_info);
 	}

drivers/clk/rockchip/clk-rk3228.c

@@ -163,8 +163,6 @@ PNAME(mux_i2s_out_p)		= { "i2s1_pre", "xin12m" };
 PNAME(mux_i2s2_p)		= { "i2s2_src", "i2s2_frac", "xin12m" };
 PNAME(mux_sclk_spdif_p)		= { "sclk_spdif_src", "spdif_frac", "xin12m" };
 
-PNAME(mux_aclk_gpu_pre_p)	= { "cpll_gpu", "gpll_gpu", "hdmiphy_gpu", "usb480m_gpu" };
-
 PNAME(mux_uart0_p)		= { "uart0_src", "uart0_frac", "xin24m" };
 PNAME(mux_uart1_p)		= { "uart1_src", "uart1_frac", "xin24m" };
 PNAME(mux_uart2_p)		= { "uart2_src", "uart2_frac", "xin24m" };
@@ -475,16 +473,9 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
 			RK2928_CLKSEL_CON(24), 6, 10, DFLAGS,
 			RK2928_CLKGATE_CON(2), 8, GFLAGS),
 
-	GATE(0, "cpll_gpu", "cpll", 0,
+	COMPOSITE(0, "aclk_gpu_pre", mux_pll_src_4plls_p, 0,
+			RK2928_CLKSEL_CON(34), 5, 2, MFLAGS, 0, 5, DFLAGS,
 			RK2928_CLKGATE_CON(3), 13, GFLAGS),
-	GATE(0, "gpll_gpu", "gpll", 0,
-			RK2928_CLKGATE_CON(3), 13, GFLAGS),
-	GATE(0, "hdmiphy_gpu", "hdmiphy", 0,
-			RK2928_CLKGATE_CON(3), 13, GFLAGS),
-	GATE(0, "usb480m_gpu", "usb480m", 0,
-			RK2928_CLKGATE_CON(3), 13, GFLAGS),
-	COMPOSITE_NOGATE(0, "aclk_gpu_pre", mux_aclk_gpu_pre_p, 0,
-			RK2928_CLKSEL_CON(34), 5, 2, MFLAGS, 0, 5, DFLAGS),
 
 	COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_2plls_p, 0,
 			RK2928_CLKSEL_CON(25), 8, 1, MFLAGS, 0, 7, DFLAGS,
@@ -589,8 +580,8 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
 	GATE(0, "pclk_peri_noc", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(12), 2, GFLAGS),
 
 	/* PD_GPU */
-	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 14, GFLAGS),
-	GATE(0, "aclk_gpu_noc", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 15, GFLAGS),
+	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
+	GATE(0, "aclk_gpu_noc", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
 
 	/* PD_BUS */
 	GATE(0, "sclk_initmem_mbist", "aclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),

drivers/cpufreq/intel_pstate.c

@@ -935,7 +935,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b,
 
 	update_turbo_state();
 	if (global.turbo_disabled) {
-		pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
+		pr_notice_once("Turbo disabled by BIOS or unavailable on processor\n");
 		mutex_unlock(&intel_pstate_limits_lock);
 		mutex_unlock(&intel_pstate_driver_lock);
 		return -EPERM;

drivers/dma/mmp_tdma.c

@@ -362,6 +362,8 @@ static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac)
 		gen_pool_free(gpool, (unsigned long)tdmac->desc_arr,
 				size);
 	tdmac->desc_arr = NULL;
+	if (tdmac->status == DMA_ERROR)
+		tdmac->status = DMA_COMPLETE;
 
 	return;
 }

drivers/dma/pch_dma.c

@@ -873,6 +873,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
 	}
 
 	pci_set_master(pdev);
+	pd->dma.dev = &pdev->dev;
 
 	err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd);
 	if (err) {
@@ -888,7 +889,6 @@ static int pch_dma_probe(struct pci_dev *pdev,
 		goto err_free_irq;
 	}
 
-	pd->dma.dev = &pdev->dev;
 
 	INIT_LIST_HEAD(&pd->dma.channels);
 

drivers/gpu/drm/qxl/qxl_image.c

@@ -210,7 +210,8 @@ qxl_image_init_helper(struct qxl_device *qdev,
 		break;
 	default:
 		DRM_ERROR("unsupported image bit depth\n");
-		return -EINVAL; /* TODO: cleanup */
+		qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr);
+		return -EINVAL;
 	}
 	image->u.bitmap.flags = QXL_BITMAP_TOP_DOWN;
 	image->u.bitmap.x = width;

drivers/hid/hid-core.c

@@ -2460,7 +2460,6 @@ static const struct hid_device_id hid_have_special_driver[] = {
 #if IS_ENABLED(CONFIG_HID_STEAM)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER_WIRELESS) },
-	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER_BT) },
 #endif
 #if IS_ENABLED(CONFIG_HID_WALTOP)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },

drivers/hid/hid-ids.h

@@ -1002,7 +1002,6 @@
 #define USB_VENDOR_ID_VALVE			0x28de
 #define USB_DEVICE_ID_STEAM_CONTROLLER		0x1102
 #define USB_DEVICE_ID_STEAM_CONTROLLER_WIRELESS	0x1142
-#define USB_DEVICE_ID_STEAM_CONTROLLER_BT	0x1106
 
 #define USB_VENDOR_ID_STEELSERIES	0x1038
 #define USB_DEVICE_ID_STEELSERIES_SRWS1	0x1410

drivers/hid/hid-steam.c

@@ -768,8 +768,12 @@ static int steam_probe(struct hid_device *hdev,
 
 	if (steam->quirks & STEAM_QUIRK_WIRELESS) {
 		hid_info(hdev, "Steam wireless receiver connected");
+		/* If using a wireless adaptor ask for connection status */
+		steam->connected = false;
 		steam_request_conn_status(steam);
 	} else {
+		/* A wired connection is always present */
+		steam->connected = true;
 		ret = steam_register(steam);
 		if (ret) {
 			hid_err(hdev,

drivers/hid/usbhid/hid-core.c

@@ -680,16 +680,21 @@ static int usbhid_open(struct hid_device *hid)
 	struct usbhid_device *usbhid = hid->driver_data;
 	int res;
 
+	mutex_lock(&usbhid->mutex);
+
 	set_bit(HID_OPENED, &usbhid->iofl);
 
-	if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
-		return 0;
+	if (hid->quirks & HID_QUIRK_ALWAYS_POLL) {
+		res = 0;
+		goto Done;
+	}
 
 	res = usb_autopm_get_interface(usbhid->intf);
 	/* the device must be awake to reliably request remote wakeup */
 	if (res < 0) {
 		clear_bit(HID_OPENED, &usbhid->iofl);
-		return -EIO;
+		res = -EIO;
+		goto Done;
 	}
 
 	usbhid->intf->needs_remote_wakeup = 1;
@@ -723,6 +728,9 @@ static int usbhid_open(struct hid_device *hid)
 		msleep(50);
 
 	clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
+
+ Done:
+	mutex_unlock(&usbhid->mutex);
 	return res;
 }
 
@@ -730,6 +738,8 @@ static void usbhid_close(struct hid_device *hid)
 {
 	struct usbhid_device *usbhid = hid->driver_data;
 
+	mutex_lock(&usbhid->mutex);
+
 	/*
 	 * Make sure we don't restart data acquisition due to
 	 * a resumption we no longer care about by avoiding racing
@@ -741,12 +751,13 @@ static void usbhid_close(struct hid_device *hid)
 		clear_bit(HID_IN_POLLING, &usbhid->iofl);
 	spin_unlock_irq(&usbhid->lock);
 
-	if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
-		return;
+	if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) {
+		hid_cancel_delayed_stuff(usbhid);
+		usb_kill_urb(usbhid->urbin);
+		usbhid->intf->needs_remote_wakeup = 0;
+	}
 
-	hid_cancel_delayed_stuff(usbhid);
-	usb_kill_urb(usbhid->urbin);
-	usbhid->intf->needs_remote_wakeup = 0;
+	mutex_unlock(&usbhid->mutex);
 }
 
 /*
@@ -1056,6 +1067,8 @@ static int usbhid_start(struct hid_device *hid)
 	unsigned int n, insize = 0;
 	int ret;
 
+	mutex_lock(&usbhid->mutex);
+
 	clear_bit(HID_DISCONNECTED, &usbhid->iofl);
 
 	usbhid->bufsize = HID_MIN_BUFFER_SIZE;
@@ -1170,6 +1183,8 @@ static int usbhid_start(struct hid_device *hid)
 		usbhid_set_leds(hid);
 		device_set_wakeup_enable(&dev->dev, 1);
 	}
+
+	mutex_unlock(&usbhid->mutex);
 	return 0;
 
 fail:
@@ -1180,6 +1195,7 @@ fail:
 	usbhid->urbout = NULL;
 	usbhid->urbctrl = NULL;
 	hid_free_buffers(dev, hid);
+	mutex_unlock(&usbhid->mutex);
 	return ret;
 }
 
@@ -1195,6 +1211,8 @@ static void usbhid_stop(struct hid_device *hid)
 		usbhid->intf->needs_remote_wakeup = 0;
 	}
 
+	mutex_lock(&usbhid->mutex);
+
 	clear_bit(HID_STARTED, &usbhid->iofl);
 	spin_lock_irq(&usbhid->lock);	/* Sync with error and led handlers */
 	set_bit(HID_DISCONNECTED, &usbhid->iofl);
@@ -1215,6 +1233,8 @@ static void usbhid_stop(struct hid_device *hid)
 	usbhid->urbout = NULL;
 
 	hid_free_buffers(hid_to_usb_dev(hid), hid);
+
+	mutex_unlock(&usbhid->mutex);
 }
 
 static int usbhid_power(struct hid_device *hid, int lvl)
@@ -1375,6 +1395,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 	INIT_WORK(&usbhid->reset_work, hid_reset);
 	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
 	spin_lock_init(&usbhid->lock);
+	mutex_init(&usbhid->mutex);
 
 	ret = hid_add_device(hid);
 	if (ret) {

drivers/hid/usbhid/usbhid.h

@@ -93,6 +93,7 @@ struct usbhid_device {
 	dma_addr_t outbuf_dma;                                          /* Output buffer dma */
 	unsigned long last_out;							/* record of last output for timeouts */
 
+	struct mutex mutex;						/* start/stop/open/close */
 	spinlock_t lock;						/* fifo spinlock */
 	unsigned long iofl;                                             /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
 	struct timer_list io_retry;                                     /* Retry timer */

drivers/hid/wacom_sys.c

@@ -132,9 +132,11 @@ static void wacom_feature_mapping(struct hid_device *hdev,
 			data[0] = field->report->id;
 			ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
 					       data, n, WAC_CMD_RETRIES);
-			if (ret == n) {
+			if (ret == n && features->type == HID_GENERIC) {
 				ret = hid_report_raw_event(hdev,
 					HID_FEATURE_REPORT, data, n, 0);
+			} else if (ret == 2 && features->type != HID_GENERIC) {
+				features->touch_max = data[1];
 			} else {
 				features->touch_max = 16;
 				hid_warn(hdev, "wacom_feature_mapping: "

drivers/hwmon/da9052-hwmon.c

@@ -250,9 +250,9 @@ static ssize_t da9052_read_tsi(struct device *dev,
 	int channel = to_sensor_dev_attr(devattr)->index;
 	int ret;
 
-	mutex_lock(&hwmon->hwmon_lock);
+	mutex_lock(&hwmon->da9052->auxadc_lock);
 	ret = __da9052_read_tsi(dev, channel);
-	mutex_unlock(&hwmon->hwmon_lock);
+	mutex_unlock(&hwmon->da9052->auxadc_lock);
 
 	if (ret < 0)
 		return ret;

drivers/infiniband/core/addr.c

@@ -450,16 +450,15 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
 	struct flowi6 fl6;
 	struct dst_entry *dst;
 	struct rt6_info *rt;
-	int ret;
 
 	memset(&fl6, 0, sizeof fl6);
 	fl6.daddr = dst_in->sin6_addr;
 	fl6.saddr = src_in->sin6_addr;
 	fl6.flowi6_oif = addr->bound_dev_if;
 
-	ret = ipv6_stub->ipv6_dst_lookup(addr->net, NULL, &dst, &fl6);
-	if (ret < 0)
-		return ret;
+	dst = ipv6_stub->ipv6_dst_lookup_flow(addr->net, NULL, &fl6, NULL);
+	if (IS_ERR(dst))
+		return PTR_ERR(dst);
 
 	rt = (struct rt6_info *)dst;
 	if (ipv6_addr_any(&src_in->sin6_addr)) {

drivers/infiniband/hw/i40iw/i40iw_hw.c

@@ -483,7 +483,7 @@ void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
 	int arp_index;
 
 	arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action);
-	if (arp_index == -1)
+	if (arp_index < 0)
 		return;
 	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false);
 	if (!cqp_request)

drivers/infiniband/hw/mlx4/qp.c

@@ -2917,6 +2917,7 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
 	int send_size;
 	int header_size;
 	int spc;
+	int err;
 	int i;
 
 	if (wr->wr.opcode != IB_WR_SEND)
@@ -2951,7 +2952,9 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
 
 	sqp->ud_header.lrh.virtual_lane    = 0;
 	sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED);
-	ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey);
+	err = ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey);
+	if (err)
+		return err;
 	sqp->ud_header.bth.pkey = cpu_to_be16(pkey);
 	if (sqp->qp.mlx4_ib_qp_type == MLX4_IB_QPT_TUN_SMI_OWNER)
 		sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn);
@@ -3240,9 +3243,14 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr,
 	}
 	sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED);
 	if (!sqp->qp.ibqp.qp_num)
-		ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index, &pkey);
+		err = ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index,
+					 &pkey);
 	else
-		ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index, &pkey);
+		err = ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index,
+					 &pkey);
+	if (err)
+		return err;
+
 	sqp->ud_header.bth.pkey = cpu_to_be16(pkey);
 	sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn);
 	sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1));

drivers/infiniband/sw/rxe/rxe_net.c

@@ -154,10 +154,12 @@ static struct dst_entry *rxe_find_route6(struct net_device *ndev,
 	memcpy(&fl6.daddr, daddr, sizeof(*daddr));
 	fl6.flowi6_proto = IPPROTO_UDP;
 
-	if (unlikely(ipv6_stub->ipv6_dst_lookup(sock_net(recv_sockets.sk6->sk),
-						recv_sockets.sk6->sk, &ndst, &fl6))) {
+	ndst = ipv6_stub->ipv6_dst_lookup_flow(sock_net(recv_sockets.sk6->sk),
+					       recv_sockets.sk6->sk, &fl6,
+					       NULL);
+	if (unlikely(IS_ERR(ndst))) {
 		pr_err_ratelimited("no route to %pI6\n", daddr);
-		goto put;
+		return NULL;
 	}
 
 	if (unlikely(ndst->error)) {

drivers/md/dm-default-key.c

@@ -40,6 +40,7 @@ static const struct dm_default_key_cipher {
  * @sector_size: crypto sector size in bytes (usually 4096)
  * @sector_bits: log2(sector_size)
  * @key: the encryption key to use
+ * @max_dun: the maximum DUN that may be used (computed from other params)
  */
 struct default_key_c {
 	struct dm_dev *dev;
@@ -50,6 +51,7 @@ struct default_key_c {
 	unsigned int sector_bits;
 	struct blk_crypto_key key;
 	bool is_hw_wrapped;
+	u64 max_dun;
 };
 
 static const struct dm_default_key_cipher *
@@ -149,6 +151,7 @@ static int default_key_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	const struct dm_default_key_cipher *cipher;
 	u8 raw_key[DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE];
 	unsigned int raw_key_size;
+	unsigned int dun_bytes;
 	unsigned long long tmpll;
 	char dummy;
 	int err;
@@ -232,16 +235,20 @@ static int default_key_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		goto bad;
 	}
 
-	err = blk_crypto_init_key(&dkc->key, raw_key, cipher->key_size,
+	dkc->max_dun = (dkc->iv_offset + ti->len - 1) >>
+		       (dkc->sector_bits - SECTOR_SHIFT);
+	dun_bytes = DIV_ROUND_UP(fls64(dkc->max_dun), 8);
+
+	err = blk_crypto_init_key(&dkc->key, raw_key, raw_key_size,
 				  dkc->is_hw_wrapped, cipher->mode_num,
-				  dkc->sector_size);
+				  dun_bytes, dkc->sector_size);
 	if (err) {
 		ti->error = "Error initializing blk-crypto key";
 		goto bad;
 	}
 
-	err = blk_crypto_start_using_mode(cipher->mode_num, dkc->sector_size,
-					  dkc->is_hw_wrapped,
+	err = blk_crypto_start_using_mode(cipher->mode_num, dun_bytes,
+					  dkc->sector_size, dkc->is_hw_wrapped,
 					  dkc->dev->bdev->bd_queue);
 	if (err) {
 		ti->error = "Error starting to use blk-crypto";
@@ -302,6 +309,13 @@ static int default_key_map(struct dm_target *ti, struct bio *bio)
 		return DM_MAPIO_KILL;
 	dun[0] >>= dkc->sector_bits - SECTOR_SHIFT; /* crypto sectors */
 
+	/*
+	 * This check isn't necessary as we should have calculated max_dun
+	 * correctly, but be safe.
+	 */
+	if (WARN_ON_ONCE(dun[0] > dkc->max_dun))
+		return DM_MAPIO_KILL;
+
 	bio_crypt_set_ctx(bio, &dkc->key, dun, GFP_NOIO);
 
 	return DM_MAPIO_REMAPPED;

drivers/mmc/core/Kconfig

@@ -136,3 +136,13 @@ config MTK_MMC_PWR_WP
 
 	  E.g.  Kernel hard-code a partition named "system", User space use
 	  ioctl(fd, MMC_IOC_WP_CMD , &buf ) will set power-on write protect on it.
+
+config MMC_CRYPTO
+	bool "MMC Crypto Engine Support"
+	depends on BLK_INLINE_ENCRYPTION
+	help
+	  Enable Crypto Engine Support in MMC.
+	  Enabling this makes it possible for the kernel to use the crypto
+	  capabilities of the MMC device (if present) to perform crypto
+	  operations on data being transferred to/from the device.
+

drivers/mmc/core/Makefile

@@ -26,6 +26,5 @@ obj-$(CONFIG_MMC_TEST)		+= mmc_test.o
 obj-$(CONFIG_SDIO_UART)		+= sdio_uart.o
 obj-$(CONFIG_MMC_FFU)		+= ffu.o
 obj-$(CONFIG_MMC_BLOCK_IO_LOG)	+= mtk_mmc_block.o
-
 obj-$(CONFIG_MTK_MMC_PWR_WP) 	+= mtk_emmc_write_protect.o
 obj-$(CONFIG_MMC_CRYPTO)	+= mmc_crypto.o

drivers/mmc/core/block.c

@@ -62,6 +62,7 @@
 #include "block.h"
 #include "core.h"
 #include "card.h"
+#include "crypto.h"
 #include "host.h"
 #include "bus.h"
 #include "mmc_ops.h"
@@ -2300,6 +2301,8 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq,
 
 	memset(brq, 0, sizeof(struct mmc_blk_request));
 
+	/* mmc_crypto_prepare_req(mqrq); */
+
 	brq->mrq.data = &brq->data;
 
 	brq->stop.opcode = MMC_STOP_TRANSMISSION;

drivers/mmc/core/crypto.c

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/blkdev.h>
+#include <linux/keyslot-manager.h>
+#include <linux/mmc/host.h>
+
+#include "core.h"
+#include "queue.h"
+
+void mmc_crypto_setup_queue(struct mmc_host *host, struct request_queue *q)
+{
+	if (host->caps2 & MMC_CAP2_CRYPTO)
+		q->ksm = host->ksm;
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_setup_queue);
+
+void mmc_crypto_free_host(struct mmc_host *host)
+{
+	keyslot_manager_destroy(host->ksm);
+}
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
+{
+	struct request *req = mmc_queue_req_to_req(mqrq);
+	struct mmc_request *mrq = &mqrq->brq.mrq;
+	const struct bio_crypt_ctx *bc;
+
+	if (!bio_crypt_should_process(req))
+		return;
+
+	bc = req->bio->bi_crypt_context;
+	mrq->crypto_key_slot = bc->bc_keyslot;
+	mrq->data_unit_num = bc->bc_dun[0];
+	mrq->crypto_key = bc->bc_key;
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_prepare_req);

drivers/mmc/core/crypto.h

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _MMC_CORE_CRYPTO_H
+#define _MMC_CORE_CRYPTO_H
+
+struct mmc_host;
+struct mmc_queue_req;
+struct request;
+struct request_queue;
+
+#ifdef CONFIG_MMC_CRYPTO
+
+void mmc_crypto_setup_queue(struct mmc_host *host, struct request_queue *q);
+
+void mmc_crypto_free_host(struct mmc_host *host);
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq);
+
+#else /* CONFIG_MMC_CRYPTO */
+
+static inline void mmc_crypto_setup_queue(struct mmc_host *host,
+					  struct request_queue *q) { }
+
+static inline void mmc_crypto_free_host(struct mmc_host *host) { }
+
+static inline void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq) { }
+
+#endif /* CONFIG_MMC_CRYPTO */
+
+#endif /* _MMC_CORE_CRYPTO_H */

drivers/mmc/core/host.c

@@ -27,6 +27,7 @@
 #include <linux/mmc/slot-gpio.h>
 
 #include "core.h"
+#include "crypto.h"
 #include "host.h"
 #include "slot-gpio.h"
 #include "pwrseq.h"
@@ -488,6 +489,7 @@ EXPORT_SYMBOL(mmc_remove_host);
  */
 void mmc_free_host(struct mmc_host *host)
 {
+	/* mmc_crypto_free_host(host); */
 	mmc_pwrseq_free(host);
 	put_device(&host->class_dev);
 }

drivers/mmc/core/queue.c

@@ -28,6 +28,7 @@
 #include "queue.h"
 #include "block.h"
 #include "core.h"
+#include "crypto.h"
 #include "card.h"
 #include "mmc_crypto.h"
 
@@ -450,9 +451,6 @@ void mmc_cmdq_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
 						host->max_req_size / 512));
 	blk_queue_max_segment_size(mq->queue, host->max_seg_size);
 	blk_queue_max_segments(mq->queue, host->max_segs);
-
-	if (host->caps2 & MMC_CAP2_INLINECRYPT)
-		queue_flag_set_unlocked(QUEUE_FLAG_INLINECRYPT, mq->queue);
 }
 #endif
 
@@ -591,8 +589,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
 	blk_queue_prep_rq(mq->queue, mmc_prep_request);
 	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue);
 	queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, mq->queue);
-	if (host->caps2 & MMC_CAP2_INLINECRYPT)
-		queue_flag_set_unlocked(QUEUE_FLAG_INLINECRYPT, mq->queue);
 	if (mmc_can_erase(card))
 		mmc_queue_setup_discard(mq->queue, card);
 
@@ -627,6 +623,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
 		goto cleanup_queue;
 	}
 
+	/* mmc_crypto_setup_queue(host, mq->queue); */
 	return 0;
 
 cleanup_queue:

drivers/net/dsa/dsa_loop.c

@@ -357,6 +357,7 @@ static void __exit dsa_loop_exit(void)
 }
 module_exit(dsa_loop_exit);
 
+MODULE_SOFTDEP("pre: dsa_loop_bdinfo");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Florian Fainelli");
 MODULE_DESCRIPTION("DSA loopback driver");

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -6827,6 +6827,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
 					   netdev_features_t features)
 {
 	struct bnxt *bp = netdev_priv(dev);
+	netdev_features_t vlan_features;
 
 	if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
 		features &= ~NETIF_F_NTUPLE;
@@ -6834,12 +6835,14 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
 	/* Both CTAG and STAG VLAN accelaration on the RX side have to be
 	 * turned on or off together.
 	 */
-	if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) !=
-	    (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) {
+	vlan_features = features & (NETIF_F_HW_VLAN_CTAG_RX |
+				    NETIF_F_HW_VLAN_STAG_RX);
+	if (vlan_features != (NETIF_F_HW_VLAN_CTAG_RX |
+			      NETIF_F_HW_VLAN_STAG_RX)) {
 		if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
 			features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
 				      NETIF_F_HW_VLAN_STAG_RX);
-		else
+		else if (vlan_features)
 			features |= NETIF_F_HW_VLAN_CTAG_RX |
 				    NETIF_F_HW_VLAN_STAG_RX;
 	}
@@ -8420,8 +8423,11 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
 		}
 	}
 
-	if (result != PCI_ERS_RESULT_RECOVERED && netif_running(netdev))
-		dev_close(netdev);
+	if (result != PCI_ERS_RESULT_RECOVERED) {
+		if (netif_running(netdev))
+			dev_close(netdev);
+		pci_disable_device(pdev);
+	}
 
 	rtnl_unlock();
 
@@ -8432,7 +8438,7 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
 			 err); /* non-fatal, continue */
 	}
 
-	return PCI_ERS_RESULT_RECOVERED;
+	return result;
 }
 
 /**

drivers/net/ethernet/broadcom/bnxt/bnxt.h

@@ -774,7 +774,6 @@ struct bnxt_vf_info {
 #define BNXT_VF_SPOOFCHK	0x2
 #define BNXT_VF_LINK_FORCED	0x4
 #define BNXT_VF_LINK_UP		0x8
-	u32	func_flags; /* func cfg flags */
 	u32	min_tx_rate;
 	u32	max_tx_rate;
 	void	*hwrm_cmd_req_addr;

drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c

@@ -99,11 +99,10 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
 	if (old_setting == setting)
 		return 0;
 
-	func_flags = vf->func_flags;
 	if (setting)
-		func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
+		func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
 	else
-		func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
+		func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
 	/*TODO: if the driver supports VLAN filter on guest VLAN,
 	 * the spoof check should also include vlan anti-spoofing
 	 */
@@ -112,7 +111,6 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
 	req.flags = cpu_to_le32(func_flags);
 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 	if (!rc) {
-		vf->func_flags = func_flags;
 		if (setting)
 			vf->flags |= BNXT_VF_SPOOFCHK;
 		else
@@ -176,7 +174,6 @@ int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac)
 	memcpy(vf->mac_addr, mac, ETH_ALEN);
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
 	req.fid = cpu_to_le16(vf->fw_fid);
-	req.flags = cpu_to_le32(vf->func_flags);
 	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
 	memcpy(req.dflt_mac_addr, mac, ETH_ALEN);
 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
@@ -214,7 +211,6 @@ int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos,
 
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
 	req.fid = cpu_to_le16(vf->fw_fid);
-	req.flags = cpu_to_le32(vf->func_flags);
 	req.dflt_vlan = cpu_to_le16(vlan_tag);
 	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
@@ -253,7 +249,6 @@ int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate,
 		return 0;
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
 	req.fid = cpu_to_le16(vf->fw_fid);
-	req.flags = cpu_to_le32(vf->func_flags);
 	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW);
 	req.max_bw = cpu_to_le32(max_tx_rate);
 	req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW);

drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c

@@ -54,6 +54,8 @@
 
 #define MGMT_MSG_TIMEOUT                5000
 
+#define SET_FUNC_PORT_MGMT_TIMEOUT	25000
+
 #define mgmt_to_pfhwdev(pf_mgmt)        \
 		container_of(pf_mgmt, struct hinic_pfhwdev, pf_to_mgmt)
 
@@ -247,12 +249,13 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
 			    u8 *buf_in, u16 in_size,
 			    u8 *buf_out, u16 *out_size,
 			    enum mgmt_direction_type direction,
-			    u16 resp_msg_id)
+			    u16 resp_msg_id, u32 timeout)
 {
 	struct hinic_hwif *hwif = pf_to_mgmt->hwif;
 	struct pci_dev *pdev = hwif->pdev;
 	struct hinic_recv_msg *recv_msg;
 	struct completion *recv_done;
+	unsigned long timeo;
 	u16 msg_id;
 	int err;
 
@@ -276,8 +279,9 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
 		goto unlock_sync_msg;
 	}
 
-	if (!wait_for_completion_timeout(recv_done,
-					 msecs_to_jiffies(MGMT_MSG_TIMEOUT))) {
+	timeo = msecs_to_jiffies(timeout ? timeout : MGMT_MSG_TIMEOUT);
+
+	if (!wait_for_completion_timeout(recv_done, timeo)) {
 		dev_err(&pdev->dev, "MGMT timeout, MSG id = %d\n", msg_id);
 		err = -ETIMEDOUT;
 		goto unlock_sync_msg;
@@ -351,6 +355,7 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
 {
 	struct hinic_hwif *hwif = pf_to_mgmt->hwif;
 	struct pci_dev *pdev = hwif->pdev;
+	u32 timeout = 0;
 
 	if (sync != HINIC_MGMT_MSG_SYNC) {
 		dev_err(&pdev->dev, "Invalid MGMT msg type\n");
@@ -362,9 +367,12 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
 		return -EINVAL;
 	}
 
+	if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE)
+		timeout = SET_FUNC_PORT_MGMT_TIMEOUT;
+
 	return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size,
 				buf_out, out_size, MGMT_DIRECT_SEND,
-				MSG_NOT_RESP);
+				MSG_NOT_RESP, timeout);
 }
 
 /**

drivers/net/ethernet/huawei/hinic/hinic_main.c

@@ -473,7 +473,6 @@ static int hinic_close(struct net_device *netdev)
 {
 	struct hinic_dev *nic_dev = netdev_priv(netdev);
 	unsigned int flags;
-	int err;
 
 	down(&nic_dev->mgmt_lock);
 
@@ -487,20 +486,9 @@ static int hinic_close(struct net_device *netdev)
 
 	up(&nic_dev->mgmt_lock);
 
-	err = hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
-	if (err) {
-		netif_err(nic_dev, drv, netdev,
-			  "Failed to set func port state\n");
-		nic_dev->flags |= (flags & HINIC_INTF_UP);
-		return err;
-	}
+	hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
 
-	err = hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
-	if (err) {
-		netif_err(nic_dev, drv, netdev, "Failed to set port state\n");
-		nic_dev->flags |= (flags & HINIC_INTF_UP);
-		return err;
-	}
+	hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
 
 	free_rxqs(nic_dev);
 	free_txqs(nic_dev);

drivers/net/ethernet/mellanox/mlx4/main.c

@@ -2503,6 +2503,7 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev)
 
 		if (!err || err == -ENOSPC) {
 			priv->def_counter[port] = idx;
+			err = 0;
 		} else if (err == -ENOENT) {
 			err = 0;
 			continue;
@@ -2553,7 +2554,8 @@ int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage)
 				   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
 		if (!err)
 			*idx = get_param_l(&out_param);
-
+		if (WARN_ON(err == -ENOSPC))
+			err = -EINVAL;
 		return err;
 	}
 	return __mlx4_counter_alloc(dev, idx);

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

@@ -831,7 +831,6 @@ static void cmd_work_handler(struct work_struct *work)
 	}
 
 	cmd->ent_arr[ent->idx] = ent;
-	set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
 	lay = get_inst(cmd, ent->idx);
 	ent->lay = lay;
 	memset(lay, 0, sizeof(*lay));
@@ -853,6 +852,7 @@ static void cmd_work_handler(struct work_struct *work)
 
 	if (ent->callback)
 		schedule_delayed_work(&ent->cb_timeout_work, cb_timeout);
+	set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
 
 	/* Skip sending command to fw if internal error */
 	if (pci_channel_offline(dev->pdev) ||
@@ -865,6 +865,10 @@ static void cmd_work_handler(struct work_struct *work)
 		MLX5_SET(mbox_out, ent->out, syndrome, drv_synd);
 
 		mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+		/* no doorbell, no need to keep the entry */
+		free_ent(cmd, ent->idx);
+		if (ent->callback)
+			free_cmd(ent);
 		return;
 	}
 

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -1550,12 +1550,11 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
 
 #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
 	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
-	int ret;
 
-	ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst,
-					 fl6);
-	if (ret < 0)
-		return ret;
+	dst = ipv6_stub->ipv6_dst_lookup_flow(dev_net(mirred_dev), NULL, fl6,
+					      NULL);
+	if (IS_ERR(dst))
+		return PTR_ERR(dst);
 
 	*out_ttl = ip6_dst_hoplimit(dst);
 
@@ -1754,7 +1753,7 @@ static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv,
 	int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size);
 	int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN;
 	struct ip_tunnel_key *tun_key = &e->tun_info.key;
-	struct net_device *out_dev;
+	struct net_device *out_dev = NULL;
 	struct neighbour *n = NULL;
 	struct flowi6 fl6 = {};
 	char *encap_header;

drivers/net/ethernet/moxa/moxart_ether.c

@@ -561,7 +561,7 @@ static int moxart_remove(struct platform_device *pdev)
 	struct net_device *ndev = platform_get_drvdata(pdev);
 
 	unregister_netdev(ndev);
-	free_irq(ndev->irq, ndev);
+	devm_free_irq(&pdev->dev, ndev->irq, ndev);
 	moxart_mac_free_memory(ndev);
 	free_netdev(ndev);
 

drivers/net/ethernet/natsemi/jazzsonic.c

@@ -247,13 +247,15 @@ static int jazz_sonic_probe(struct platform_device *pdev)
 		goto out;
 	err = register_netdev(dev);
 	if (err)
-		goto out1;
+		goto undo_probe1;
 
 	printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq);
 
 	return 0;
 
-out1:
+undo_probe1:
+	dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			  lp->descriptors, lp->descriptors_laddr);
 	release_mem_region(dev->base_addr, SONIC_MEM_SIZE);
 out:
 	free_netdev(dev);

drivers/net/ethernet/stmicro/stmmac/stmmac.h

@@ -96,7 +96,7 @@ struct stmmac_priv {
 	struct net_device *dev;
 	struct device *device;
 	struct mac_device_info *hw;
-	spinlock_t lock;
+	struct mutex lock;
 
 	/* RX Queue */
 	struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

@@ -392,13 +392,13 @@ stmmac_ethtool_set_link_ksettings(struct net_device *dev,
 			ADVERTISED_10baseT_Half |
 			ADVERTISED_10baseT_Full);
 
-		spin_lock(&priv->lock);
+		mutex_lock(&priv->lock);
 
 		if (priv->hw->mac->pcs_ctrl_ane)
 			priv->hw->mac->pcs_ctrl_ane(priv->ioaddr, 1,
 						    priv->hw->ps, 0);
 
-		spin_unlock(&priv->lock);
+		mutex_unlock(&priv->lock);
 
 		return 0;
 	}
@@ -615,12 +615,12 @@ static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	spin_lock_irq(&priv->lock);
+	mutex_lock(&priv->lock);
 	if (device_can_wakeup(priv->device)) {
 		wol->supported = WAKE_MAGIC | WAKE_UCAST;
 		wol->wolopts = priv->wolopts;
 	}
-	spin_unlock_irq(&priv->lock);
+	mutex_unlock(&priv->lock);
 }
 
 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -649,9 +649,9 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 		disable_irq_wake(priv->wol_irq);
 	}
 
-	spin_lock_irq(&priv->lock);
+	mutex_lock(&priv->lock);
 	priv->wolopts = wol->wolopts;
-	spin_unlock_irq(&priv->lock);
+	mutex_unlock(&priv->lock);
 
 	return 0;
 }

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -365,7 +365,6 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
 {
 	struct net_device *ndev = priv->dev;
 	int interface = priv->plat->interface;
-	unsigned long flags;
 	bool ret = false;
 
 	if ((interface != PHY_INTERFACE_MODE_MII) &&
@@ -392,7 +391,7 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
 			 * changed).
 			 * In that case the driver disable own timers.
 			 */
-			spin_lock_irqsave(&priv->lock, flags);
+			mutex_lock(&priv->lock);
 			if (priv->eee_active) {
 				netdev_dbg(priv->dev, "disable EEE\n");
 				del_timer_sync(&priv->eee_ctrl_timer);
@@ -400,11 +399,11 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
 							     tx_lpi_timer);
 			}
 			priv->eee_active = 0;
-			spin_unlock_irqrestore(&priv->lock, flags);
+			mutex_unlock(&priv->lock);
 			goto out;
 		}
 		/* Activate the EEE and start timers */
-		spin_lock_irqsave(&priv->lock, flags);
+		mutex_lock(&priv->lock);
 		if (!priv->eee_active) {
 			priv->eee_active = 1;
 			setup_timer(&priv->eee_ctrl_timer,
@@ -421,7 +420,7 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
 		priv->hw->mac->set_eee_pls(priv->hw, ndev->phydev->link);
 
 		ret = true;
-		spin_unlock_irqrestore(&priv->lock, flags);
+		mutex_unlock(&priv->lock);
 
 		netdev_dbg(priv->dev, "Energy-Efficient Ethernet initialized\n");
 	}
@@ -799,13 +798,12 @@ static void stmmac_adjust_link(struct net_device *dev)
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 	struct phy_device *phydev = dev->phydev;
-	unsigned long flags;
 	bool new_state = false;
 
 	if (!phydev)
 		return;
 
-	spin_lock_irqsave(&priv->lock, flags);
+	mutex_lock(&priv->lock);
 
 	if (phydev->link) {
 		u32 ctrl = readl(priv->ioaddr + MAC_CTRL_REG);
@@ -864,7 +862,7 @@ static void stmmac_adjust_link(struct net_device *dev)
 	if (new_state && netif_msg_link(priv))
 		phy_print_status(phydev);
 
-	spin_unlock_irqrestore(&priv->lock, flags);
+	mutex_unlock(&priv->lock);
 
 	if (phydev->is_pseudo_fixed_link)
 		/* Stop PHY layer to call the hook to adjust the link in case
@@ -4284,7 +4282,7 @@ int stmmac_dvr_probe(struct device *device,
 			       (8 * priv->plat->rx_queues_to_use));
 	}
 
-	spin_lock_init(&priv->lock);
+	mutex_init(&priv->lock);
 
 	/* If a specific clk_csr value is passed from the platform
 	 * this means that the CSR Clock Range selection cannot be
@@ -4375,6 +4373,7 @@ int stmmac_dvr_remove(struct device *dev)
 	    priv->hw->pcs != STMMAC_PCS_TBI &&
 	    priv->hw->pcs != STMMAC_PCS_RTBI)
 		stmmac_mdio_unregister(ndev);
+	mutex_destroy(&priv->lock);
 	free_netdev(ndev);
 
 	return 0;
@@ -4392,7 +4391,6 @@ int stmmac_suspend(struct device *dev)
 {
 	struct net_device *ndev = dev_get_drvdata(dev);
 	struct stmmac_priv *priv = netdev_priv(ndev);
-	unsigned long flags;
 
 	if (!ndev || !netif_running(ndev))
 		return 0;
@@ -4400,7 +4398,7 @@ int stmmac_suspend(struct device *dev)
 	if (ndev->phydev)
 		phy_stop(ndev->phydev);
 
-	spin_lock_irqsave(&priv->lock, flags);
+	mutex_lock(&priv->lock);
 
 	netif_device_detach(ndev);
 	stmmac_stop_all_queues(priv);
@@ -4423,7 +4421,7 @@ int stmmac_suspend(struct device *dev)
 		clk_disable_unprepare(priv->plat->pclk);
 		clk_disable_unprepare(priv->plat->stmmac_clk);
 	}
-	spin_unlock_irqrestore(&priv->lock, flags);
+	mutex_unlock(&priv->lock);
 
 	priv->oldlink = false;
 	priv->speed = SPEED_UNKNOWN;
@@ -4467,7 +4465,6 @@ int stmmac_resume(struct device *dev)
 {
 	struct net_device *ndev = dev_get_drvdata(dev);
 	struct stmmac_priv *priv = netdev_priv(ndev);
-	unsigned long flags;
 
 	if (!netif_running(ndev))
 		return 0;
@@ -4479,9 +4476,9 @@ int stmmac_resume(struct device *dev)
 	 * from another devices (e.g. serial console).
 	 */
 	if (device_may_wakeup(priv->device)) {
-		spin_lock_irqsave(&priv->lock, flags);
+		mutex_lock(&priv->lock);
 		priv->hw->mac->pmt(priv->hw, 0);
-		spin_unlock_irqrestore(&priv->lock, flags);
+		mutex_unlock(&priv->lock);
 		priv->irq_wake = 0;
 	} else {
 		pinctrl_pm_select_default_state(priv->device);
@@ -4497,7 +4494,7 @@ int stmmac_resume(struct device *dev)
 
 	netif_device_attach(ndev);
 
-	spin_lock_irqsave(&priv->lock, flags);
+	mutex_lock(&priv->lock);
 
 	stmmac_reset_queues_param(priv);
 
@@ -4516,7 +4513,7 @@ int stmmac_resume(struct device *dev)
 
 	stmmac_start_all_queues(priv);
 
-	spin_unlock_irqrestore(&priv->lock, flags);
+	mutex_unlock(&priv->lock);
 
 	if (ndev->phydev)
 		phy_start(ndev->phydev);

drivers/net/geneve.c

@@ -797,7 +797,9 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb,
 		if (dst)
 			return dst;
 	}
-	if (ipv6_stub->ipv6_dst_lookup(geneve->net, gs6->sock->sk, &dst, fl6)) {
+	dst = ipv6_stub->ipv6_dst_lookup_flow(geneve->net, gs6->sock->sk, fl6,
+					      NULL);
+	if (IS_ERR(dst)) {
 		netdev_dbg(dev, "no route to %pI6\n", &fl6->daddr);
 		return ERR_PTR(-ENETUNREACH);
 	}
@@ -1370,21 +1372,33 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[],
 	}
 
 	if (data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX]) {
+#if IS_ENABLED(CONFIG_IPV6)
 		if (changelink) {
 			attrtype = IFLA_GENEVE_UDP_ZERO_CSUM6_TX;
 			goto change_notsup;
 		}
 		if (nla_get_u8(data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX]))
 			info->key.tun_flags &= ~TUNNEL_CSUM;
+#else
+		NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX],
+				    "IPv6 support not enabled in the kernel");
+		return -EPFNOSUPPORT;
+#endif
 	}
 
 	if (data[IFLA_GENEVE_UDP_ZERO_CSUM6_RX]) {
+#if IS_ENABLED(CONFIG_IPV6)
 		if (changelink) {
 			attrtype = IFLA_GENEVE_UDP_ZERO_CSUM6_RX;
 			goto change_notsup;
 		}
 		if (nla_get_u8(data[IFLA_GENEVE_UDP_ZERO_CSUM6_RX]))
 			*use_udp6_rx_checksums = false;
+#else
+		NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_UDP_ZERO_CSUM6_RX],
+				    "IPv6 support not enabled in the kernel");
+		return -EPFNOSUPPORT;
+#endif
 	}
 
 	return 0;
@@ -1560,11 +1574,13 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev)
 		goto nla_put_failure;
 
 	if (metadata && nla_put_flag(skb, IFLA_GENEVE_COLLECT_METADATA))
-			goto nla_put_failure;
+		goto nla_put_failure;
 
+#if IS_ENABLED(CONFIG_IPV6)
 	if (nla_put_u8(skb, IFLA_GENEVE_UDP_ZERO_CSUM6_RX,
 		       !geneve->use_udp6_rx_checksums))
 		goto nla_put_failure;
+#endif
 
 	return 0;
 

drivers/net/macsec.c

@@ -1309,7 +1309,8 @@ static struct crypto_aead *macsec_alloc_tfm(char *key, int key_len, int icv_len)
 	struct crypto_aead *tfm;
 	int ret;
 
-	tfm = crypto_alloc_aead("gcm(aes)", 0, 0);
+	/* Pick a sync gcm(aes) cipher to ensure order is preserved. */
+	tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC);
 
 	if (IS_ERR(tfm))
 		return tfm;

drivers/net/phy/dp83640.c

@@ -1110,7 +1110,7 @@ static struct dp83640_clock *dp83640_clock_get_bus(struct mii_bus *bus)
 		goto out;
 	}
 	dp83640_clock_init(clock, bus);
-	list_add_tail(&phyter_clocks, &clock->list);
+	list_add_tail(&clock->list, &phyter_clocks);
 out:
 	mutex_unlock(&phyter_clocks_lock);
 

drivers/net/phy/micrel.c

@@ -674,8 +674,8 @@ static void kszphy_get_strings(struct phy_device *phydev, u8 *data)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++) {
-		memcpy(data + i * ETH_GSTRING_LEN,
-		       kszphy_hw_stats[i].string, ETH_GSTRING_LEN);
+		strlcpy(data + i * ETH_GSTRING_LEN,
+			kszphy_hw_stats[i].string, ETH_GSTRING_LEN);
 	}
 }
 

drivers/net/phy/phy.c

@@ -1257,9 +1257,11 @@ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
 		/* Restart autonegotiation so the new modes get sent to the
 		 * link partner.
 		 */
-		ret = phy_restart_aneg(phydev);
-		if (ret < 0)
-			return ret;
+		if (phydev->autoneg == AUTONEG_ENABLE) {
+			ret = phy_restart_aneg(phydev);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	return 0;

drivers/net/usb/qmi_wwan.c

@@ -1283,6 +1283,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x413c, 0x81b3, 8)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 8)},	/* Dell Wireless 5811e */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 10)},	/* Dell Wireless 5811e */
+	{QMI_FIXED_INTF(0x413c, 0x81cc, 8)},	/* Dell Wireless 5816e */
 	{QMI_FIXED_INTF(0x413c, 0x81d7, 0)},	/* Dell Wireless 5821e */
 	{QMI_FIXED_INTF(0x413c, 0x81d7, 1)},	/* Dell Wireless 5821e preproduction config */
 	{QMI_FIXED_INTF(0x413c, 0x81e0, 0)},	/* Dell Wireless 5821e with eSIM support*/

drivers/net/vxlan.c

@@ -1963,7 +1963,6 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,
 	bool use_cache = ip_tunnel_dst_cache_usable(skb, info);
 	struct dst_entry *ndst;
 	struct flowi6 fl6;
-	int err;
 
 	if (!sock6)
 		return ERR_PTR(-EIO);
@@ -1986,10 +1985,9 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,
 	fl6.fl6_dport = dport;
 	fl6.fl6_sport = sport;
 
-	err = ipv6_stub->ipv6_dst_lookup(vxlan->net,
-					 sock6->sock->sk,
-					 &ndst, &fl6);
-	if (unlikely(err < 0)) {
+	ndst = ipv6_stub->ipv6_dst_lookup_flow(vxlan->net, sock6->sock->sk,
+					       &fl6, NULL);
+	if (unlikely(IS_ERR(ndst))) {
 		netdev_dbg(dev, "no route to %pI6\n", daddr);
 		return ERR_PTR(-ENETUNREACH);
 	}

drivers/pinctrl/intel/pinctrl-baytrail.c

@@ -1503,6 +1503,7 @@ static const struct gpio_chip byt_gpio_chip = {
 	.direction_output	= byt_gpio_direction_output,
 	.get			= byt_gpio_get,
 	.set			= byt_gpio_set,
+	.set_config		= gpiochip_generic_config,
 	.dbg_show		= byt_gpio_dbg_show,
 };
 

drivers/pinctrl/intel/pinctrl-cherryview.c

@@ -1514,11 +1514,15 @@ static void chv_gpio_irq_handler(struct irq_desc *desc)
 	struct chv_pinctrl *pctrl = gpiochip_get_data(gc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned long pending;
+	unsigned long flags;
 	u32 intr_line;
 
 	chained_irq_enter(chip, desc);
 
+	raw_spin_lock_irqsave(&chv_lock, flags);
 	pending = readl(pctrl->regs + CHV_INTSTAT);
+	raw_spin_unlock_irqrestore(&chv_lock, flags);
+
 	for_each_set_bit(intr_line, &pending, pctrl->community->nirqs) {
 		unsigned irq, offset;
 

drivers/scsi/sg.c

@@ -695,8 +695,10 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
 	hp->flags = input_size;	/* structure abuse ... */
 	hp->pack_id = old_hdr.pack_id;
 	hp->usr_ptr = NULL;
-	if (__copy_from_user(cmnd, buf, cmd_size))
+	if (__copy_from_user(cmnd, buf, cmd_size)) {
+		sg_remove_request(sfp, srp);
 		return -EFAULT;
+	}
 	/*
 	 * SG_DXFER_TO_FROM_DEV is functionally equivalent to SG_DXFER_FROM_DEV,
 	 * but is is possible that the app intended SG_DXFER_TO_DEV, because there

drivers/scsi/ufs/ufshcd-crypto.c

@@ -344,6 +344,7 @@ int ufshcd_hba_init_crypto_spec(struct ufs_hba *hba,
 		err = -ENOMEM;
 		goto out_free_caps;
 	}
+	keyslot_manager_set_max_dun_bytes(hba->ksm, sizeof(u64));
 
 	return 0;
 

drivers/scsi/ufs/ufshcd.h

@@ -423,6 +423,7 @@ struct ufs_hba_crypto_variant_ops {
 				    struct scsi_cmnd *cmd,
 				    struct ufshcd_lrb *lrbp);
 	void *priv;
+	void *crypto_DO_NOT_USE[8];
 };
 
 /* clock gating state  */
@@ -939,6 +940,7 @@ struct ufs_hba {
 	union ufs_crypto_cap_entry *crypto_cap_array;
 	u32 crypto_cfg_register;
 	struct keyslot_manager *ksm;
+	void *crypto_DO_NOT_USE[8];
 #endif /* CONFIG_SCSI_UFS_CRYPTO */
 };
 

drivers/usb/core/hub.c

@@ -38,6 +38,7 @@
 
 #define USB_VENDOR_GENESYS_LOGIC		0x05e3
 #define USB_VENDOR_SMSC				0x0424
+#define USB_PRODUCT_USB5534B			0x5534
 #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND	0x01
 #define HUB_QUIRK_DISABLE_AUTOSUSPEND		0x02
 
@@ -5322,8 +5323,11 @@ out_hdev_lock:
 }
 
 static const struct usb_device_id hub_id_table[] = {
-    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_CLASS,
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+                   | USB_DEVICE_ID_MATCH_PRODUCT
+                   | USB_DEVICE_ID_MATCH_INT_CLASS,
       .idVendor = USB_VENDOR_SMSC,
+      .idProduct = USB_PRODUCT_USB5534B,
       .bInterfaceClass = USB_CLASS_HUB,
       .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
     { .match_flags = USB_DEVICE_ID_MATCH_VENDOR

drivers/usb/gadget/configfs.c

@@ -310,6 +310,9 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item,
 	char *name;
 	int ret;
 
+	if (strlen(page) < len)
+		return -EOVERFLOW;
+
 	name = kstrdup(page, GFP_KERNEL);
 	if (!name)
 		return -ENOMEM;

drivers/usb/gadget/legacy/audio.c

@@ -303,8 +303,10 @@ static int audio_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(cdev->gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail;
+		}
 		usb_otg_descriptor_init(cdev->gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;

drivers/usb/gadget/legacy/cdc2.c

@@ -183,8 +183,10 @@ static int cdc_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail1;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;

drivers/usb/gadget/legacy/ncm.c

@@ -162,8 +162,10 @@ static int gncm_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;

drivers/usb/gadget/udc/net2272.c

@@ -2666,6 +2666,8 @@ net2272_plat_probe(struct platform_device *pdev)
  err_req:
 	release_mem_region(base, len);
  err:
+	kfree(dev);
+
 	return ret;
 }
 

drivers/usb/host/xhci-plat.c

@@ -334,6 +334,7 @@ static int xhci_plat_remove(struct platform_device *dev)
 	struct clk *clk = xhci->clk;
 	struct usb_hcd *shared_hcd = xhci->shared_hcd;
 
+	pm_runtime_get_sync(&dev->dev);
 	xhci->xhc_state |= XHCI_STATE_REMOVING;
 
 	usb_remove_hcd(shared_hcd);
@@ -347,8 +348,9 @@ static int xhci_plat_remove(struct platform_device *dev)
 		clk_disable_unprepare(clk);
 	usb_put_hcd(hcd);
 
-	pm_runtime_set_suspended(&dev->dev);
 	pm_runtime_disable(&dev->dev);
+	pm_runtime_put_noidle(&dev->dev);
+	pm_runtime_set_suspended(&dev->dev);
 
 	return 0;
 }

drivers/usb/host/xhci-ring.c

@@ -3408,8 +3408,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 			/* New sg entry */
 			--num_sgs;
 			sent_len -= block_len;
-			if (num_sgs != 0) {
-				sg = sg_next(sg);
+			sg = sg_next(sg);
+			if (num_sgs != 0 && sg) {
 				block_len = sg_dma_len(sg);
 				addr = (u64) sg_dma_address(sg);
 				addr += sent_len;

drivers/usb/serial/garmin_gps.c

@@ -1161,8 +1161,8 @@ static void garmin_read_process(struct garmin_data *garmin_data_p,
 		   send it directly to the tty port */
 		if (garmin_data_p->flags & FLAGS_QUEUING) {
 			pkt_add(garmin_data_p, data, data_length);
-		} else if (bulk_data ||
-			   getLayerId(data) == GARMIN_LAYERID_APPL) {
+		} else if (bulk_data || (data_length >= sizeof(u32) &&
+				getLayerId(data) == GARMIN_LAYERID_APPL)) {
 
 			spin_lock_irqsave(&garmin_data_p->lock, flags);
 			garmin_data_p->flags |= APP_RESP_SEEN;

drivers/usb/serial/qcserial.c

@@ -177,6 +177,7 @@ static const struct usb_device_id id_table[] = {
 	{DEVICE_SWI(0x413c, 0x81b3)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
 	{DEVICE_SWI(0x413c, 0x81b5)},	/* Dell Wireless 5811e QDL */
 	{DEVICE_SWI(0x413c, 0x81b6)},	/* Dell Wireless 5811e QDL */
+	{DEVICE_SWI(0x413c, 0x81cc)},	/* Dell Wireless 5816e */
 	{DEVICE_SWI(0x413c, 0x81cf)},   /* Dell Wireless 5819 */
 	{DEVICE_SWI(0x413c, 0x81d0)},   /* Dell Wireless 5819 */
 	{DEVICE_SWI(0x413c, 0x81d1)},   /* Dell Wireless 5818 */

drivers/usb/storage/unusual_uas.h

@@ -41,6 +41,13 @@
  * and don't forget to CC: the USB development list <linux-usb@vger.kernel.org>
  */
 
+/* Reported-by: Julian Groß <julian.g@posteo.de> */
+UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999,
+		"LaCie",
+		"2Big Quadra USB3",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_REPORT_OPCODES),
+
 /*
  * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
  * commands in UAS mode.  Observed with the 1.28 firmware; are there others?

fs/coredump.c

@@ -830,6 +830,14 @@ void do_coredump(const siginfo_t *siginfo)
 	if (displaced)
 		put_files_struct(displaced);
 	if (!dump_interrupted()) {
+		/*
+		 * umh disabled with CONFIG_STATIC_USERMODEHELPER_PATH="" would
+		 * have this set to NULL.
+		 */
+		if (!cprm.file) {
+			pr_info("Core dump to |%s disabled\n", cn.corename);
+			goto close_fail;
+		}
 		file_start_write(cprm.file);
 		core_dumped = binfmt->core_dump(&cprm);
 		file_end_write(cprm.file);

fs/crypto/inline_crypt.c

@@ -42,6 +42,24 @@ static void fscrypt_get_devices(struct super_block *sb, int num_devs,
 		sb->s_cop->get_devices(sb, devs);
 }
 
+static unsigned int fscrypt_get_dun_bytes(const struct fscrypt_info *ci)
+{
+	struct super_block *sb = ci->ci_inode->i_sb;
+	unsigned int flags = fscrypt_policy_flags(&ci->ci_policy);
+	int ino_bits = 64, lblk_bits = 64;
+
+	if (flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY)
+		return offsetofend(union fscrypt_iv, nonce);
+
+	if (flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64)
+		return sizeof(__le64);
+
+	/* Default case: IVs are just the file logical block number */
+	if (sb->s_cop->get_ino_and_lblk_bits)
+		sb->s_cop->get_ino_and_lblk_bits(sb, &ino_bits, &lblk_bits);
+	return DIV_ROUND_UP(lblk_bits, 8);
+}
+
 /* Enable inline encryption for this file if supported. */
 int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
 				   bool is_hw_wrapped_key)
@@ -49,6 +67,7 @@ int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
 	const struct inode *inode = ci->ci_inode;
 	struct super_block *sb = inode->i_sb;
 	enum blk_crypto_mode_num crypto_mode = ci->ci_mode->blk_crypto_mode;
+	unsigned int dun_bytes;
 	struct request_queue **devs;
 	int num_devs;
 	int i;
@@ -84,9 +103,12 @@ int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
 
 	fscrypt_get_devices(sb, num_devs, devs);
 
+	dun_bytes = fscrypt_get_dun_bytes(ci);
+
 	for (i = 0; i < num_devs; i++) {
 		if (!keyslot_manager_crypto_mode_supported(devs[i]->ksm,
 							   crypto_mode,
+							   dun_bytes,
 							   sb->s_blocksize,
 							   is_hw_wrapped_key))
 			goto out_free_devs;
@@ -107,6 +129,7 @@ int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
 	const struct inode *inode = ci->ci_inode;
 	struct super_block *sb = inode->i_sb;
 	enum blk_crypto_mode_num crypto_mode = ci->ci_mode->blk_crypto_mode;
+	unsigned int dun_bytes;
 	int num_devs;
 	int queue_refs = 0;
 	struct fscrypt_blk_crypto_key *blk_key;
@@ -124,11 +147,14 @@ int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
 	blk_key->num_devs = num_devs;
 	fscrypt_get_devices(sb, num_devs, blk_key->devs);
 
+	dun_bytes = fscrypt_get_dun_bytes(ci);
+
 	BUILD_BUG_ON(FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE >
 		     BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE);
 
 	err = blk_crypto_init_key(&blk_key->base, raw_key, raw_key_size,
-				  is_hw_wrapped, crypto_mode, sb->s_blocksize);
+				  is_hw_wrapped, crypto_mode, dun_bytes,
+				  sb->s_blocksize);
 	if (err) {
 		fscrypt_err(inode, "error %d initializing blk-crypto key", err);
 		goto fail;
@@ -149,7 +175,8 @@ int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
 		}
 		queue_refs++;
 
-		err = blk_crypto_start_using_mode(crypto_mode, sb->s_blocksize,
+		err = blk_crypto_start_using_mode(crypto_mode, dun_bytes,
+						  sb->s_blocksize,
 						  is_hw_wrapped,
 						  blk_key->devs[i]);
 		if (err) {

fs/exec.c

@@ -1267,6 +1267,8 @@ int flush_old_exec(struct linux_binprm * bprm)
 	 */
 	set_mm_exe_file(bprm->mm, bprm->file);
 
+	would_dump(bprm, bprm->file);
+
 	/*
 	 * Release all of the old mmap stuff
 	 */
@@ -1800,8 +1802,6 @@ static int do_execveat_common(int fd, struct filename *filename,
 	if (retval < 0)
 		goto out;
 
-	would_dump(bprm, bprm->file);
-
 	retval = exec_binprm(bprm);
 	if (retval < 0)
 		goto out;

fs/incfs/data_mgmt.c

@@ -8,6 +8,8 @@
 #include <linux/file.h>
 #include <linux/ktime.h>
 #include <linux/mm.h>
+#include <linux/workqueue.h>
+#include <linux/pagemap.h>
 #include <linux/lz4.h>
 #include <linux/crc32.h>
 
@@ -15,6 +17,13 @@
 #include "format.h"
 #include "integrity.h"
 
+static void log_wake_up_all(struct work_struct *work)
+{
+	struct delayed_work *dw = container_of(work, struct delayed_work, work);
+	struct read_log *rl = container_of(dw, struct read_log, ml_wakeup_work);
+	wake_up_all(&rl->ml_notif_wq);
+}
+
 struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
 					  struct mount_options *options,
 					  struct path *backing_dir_path)
@@ -34,6 +43,7 @@ struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
 	mutex_init(&mi->mi_pending_reads_mutex);
 	init_waitqueue_head(&mi->mi_pending_reads_notif_wq);
 	init_waitqueue_head(&mi->mi_log.ml_notif_wq);
+	INIT_DELAYED_WORK(&mi->mi_log.ml_wakeup_work, log_wake_up_all);
 	spin_lock_init(&mi->mi_log.rl_lock);
 	INIT_LIST_HEAD(&mi->mi_reads_list_head);
 
@@ -94,6 +104,8 @@ void incfs_free_mount_info(struct mount_info *mi)
 	if (!mi)
 		return;
 
+	flush_delayed_work(&mi->mi_log.ml_wakeup_work);
+
 	dput(mi->mi_index_dir);
 	path_put(&mi->mi_backing_dir_path);
 	mutex_destroy(&mi->mi_dir_struct_mutex);
@@ -296,11 +308,20 @@ static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
 {
 	struct read_log *log = &mi->mi_log;
 	struct read_log_state *head, *tail;
-	s64 now_us = ktime_to_us(ktime_get());
+	s64 now_us;
 	s64 relative_us;
 	union log_record record;
 	size_t record_size;
 
+	/*
+	 * This may read the old value, but it's OK to delay the logging start
+	 * right after the configuration update.
+	 */
+	if (READ_ONCE(log->rl_size) == 0)
+		return;
+
+	now_us = ktime_to_us(ktime_get());
+
 	spin_lock(&log->rl_lock);
 	if (log->rl_size == 0) {
 		spin_unlock(&log->rl_lock);
@@ -319,6 +340,7 @@ static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
 			.file_id = *id,
 			.absolute_ts_us = now_us,
 		};
+		head->base_record.file_id = *id;
 		record_size = sizeof(struct full_record);
 	} else if (block_index != head->base_record.block_index + 1 ||
 		   relative_us >= 1 << 30) {
@@ -343,7 +365,6 @@ static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
 		record_size = sizeof(struct same_file_next_block_short);
 	}
 
-	head->base_record.file_id = *id;
 	head->base_record.block_index = block_index;
 	head->base_record.absolute_ts_us = now_us;
 
@@ -362,11 +383,13 @@ static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
 	++head->current_record_no;
 
 	spin_unlock(&log->rl_lock);
-	wake_up_all(&log->ml_notif_wq);
+	if (schedule_delayed_work(&log->ml_wakeup_work, msecs_to_jiffies(16)))
+		pr_debug("incfs: scheduled a log pollers wakeup");
 }
 
 static int validate_hash_tree(struct file *bf, struct data_file *df,
-			      int block_index, struct mem_range data, u8 *buf)
+			      int block_index, struct mem_range data,
+			      u8 *tmp_buf)
 {
 	u8 digest[INCFS_MAX_HASH_SIZE] = {};
 	struct mtree *tree = NULL;
@@ -379,6 +402,7 @@ static int validate_hash_tree(struct file *bf, struct data_file *df,
 	int hash_per_block;
 	int lvl = 0;
 	int res;
+	struct page *saved_page = NULL;
 
 	tree = df->df_hash_tree;
 	sig = df->df_signature;
@@ -400,17 +424,39 @@ static int validate_hash_tree(struct file *bf, struct data_file *df,
 				INCFS_DATA_FILE_BLOCK_SIZE);
 		size_t hash_off_in_block = hash_block_index * digest_size
 			% INCFS_DATA_FILE_BLOCK_SIZE;
-		struct mem_range buf_range = range(buf,
-					INCFS_DATA_FILE_BLOCK_SIZE);
-		ssize_t read_res = incfs_kread(bf, buf,
-				INCFS_DATA_FILE_BLOCK_SIZE, hash_block_off);
+		struct mem_range buf_range;
+		struct page *page = NULL;
+		bool aligned = (hash_block_off &
+				(INCFS_DATA_FILE_BLOCK_SIZE - 1)) == 0;
+		u8 *actual_buf;
 
-		if (read_res < 0)
-			return read_res;
-		if (read_res != INCFS_DATA_FILE_BLOCK_SIZE)
-			return -EIO;
+		if (aligned) {
+			page = read_mapping_page(
+				bf->f_inode->i_mapping,
+				hash_block_off / INCFS_DATA_FILE_BLOCK_SIZE,
+				NULL);
 
-		saved_digest_rng = range(buf + hash_off_in_block, digest_size);
+			if (IS_ERR(page))
+				return PTR_ERR(page);
+
+			actual_buf = page_address(page);
+		} else {
+			size_t read_res =
+				incfs_kread(bf, tmp_buf,
+					    INCFS_DATA_FILE_BLOCK_SIZE,
+					    hash_block_off);
+
+			if (read_res < 0)
+				return read_res;
+			if (read_res != INCFS_DATA_FILE_BLOCK_SIZE)
+				return -EIO;
+
+			actual_buf = tmp_buf;
+		}
+
+		buf_range = range(actual_buf, INCFS_DATA_FILE_BLOCK_SIZE);
+		saved_digest_rng =
+			range(actual_buf + hash_off_in_block, digest_size);
 		if (!incfs_equal_ranges(calc_digest_rng, saved_digest_rng)) {
 			int i;
 			bool zero = true;
@@ -425,9 +471,37 @@ static int validate_hash_tree(struct file *bf, struct data_file *df,
 
 			if (zero)
 				pr_debug("incfs: Note saved_digest all zero - did you forget to load the hashes?\n");
+
+			if (saved_page)
+				put_page(saved_page);
+			if (page)
+				put_page(page);
 			return -EBADMSG;
 		}
 
+		if (saved_page) {
+			/*
+			 * This is something of a kludge. The PageChecked flag
+			 * is reserved for the file system, but we are setting
+			 * this on the pages belonging to the underlying file
+			 * system. incfs is only going to be used on f2fs and
+			 * ext4 which only use this flag when fs-verity is being
+			 * used, so this is safe for now, however a better
+			 * mechanism needs to be found.
+			 */
+			SetPageChecked(saved_page);
+			put_page(saved_page);
+			saved_page = NULL;
+		}
+
+		if (page && PageChecked(page)) {
+			put_page(page);
+			return 0;
+		}
+
+		saved_page = page;
+		page = NULL;
+
 		res = incfs_calc_digest(tree->alg, buf_range, calc_digest_rng);
 		if (res)
 			return res;
@@ -437,8 +511,15 @@ static int validate_hash_tree(struct file *bf, struct data_file *df,
 	root_hash_rng = range(tree->root_hash, digest_size);
 	if (!incfs_equal_ranges(calc_digest_rng, root_hash_rng)) {
 		pr_debug("incfs: Root hash mismatch blk:%d\n", block_index);
+		if (saved_page)
+			put_page(saved_page);
 		return -EBADMSG;
 	}
+
+	if (saved_page) {
+		SetPageChecked(saved_page);
+		put_page(saved_page);
+	}
 	return 0;
 }
 

fs/incfs/data_mgmt.h

@@ -89,6 +89,9 @@ struct read_log {
 
 	/* A queue of waiters who want to be notified about reads */
 	wait_queue_head_t ml_notif_wq;
+
+	/* A work item to wake up those waiters without slowing down readers */
+	struct delayed_work ml_wakeup_work;
 };
 
 struct mount_options {

fs/incfs/vfs.c

@@ -209,6 +209,8 @@ struct inode_search {
 	unsigned long ino;
 
 	struct dentry *backing_dentry;
+
+	size_t size;
 };
 
 enum parse_parameter {
@@ -367,7 +369,7 @@ static int inode_set(struct inode *inode, void *opaque)
 
 		fsstack_copy_attr_all(inode, backing_inode);
 		if (S_ISREG(inode->i_mode)) {
-			u64 size = read_size_attr(backing_dentry);
+			u64 size = search->size;
 
 			inode->i_size = size;
 			inode->i_blocks = get_blocks_count_for_size(size);
@@ -443,7 +445,8 @@ static struct inode *fetch_regular_inode(struct super_block *sb,
 	struct inode *backing_inode = d_inode(backing_dentry);
 	struct inode_search search = {
 		.ino = backing_inode->i_ino,
-		.backing_dentry = backing_dentry
+		.backing_dentry = backing_dentry,
+		.size = read_size_attr(backing_dentry),
 	};
 	struct inode *inode = iget5_locked(sb, search.ino, inode_test,
 				inode_set, &search);

include/linux/bio-crypt-ctx.h

@@ -43,7 +43,15 @@ struct blk_crypto_key {
 	unsigned int data_unit_size;
 	unsigned int data_unit_size_bits;
 	unsigned int size;
+
+	/*
+	 * Hack to avoid breaking KMI: pack both hash and dun_bytes into the
+	 * hash field...
+	 */
+#define BLK_CRYPTO_KEY_HASH_MASK		0xffffff
+#define BLK_CRYPTO_KEY_DUN_BYTES_SHIFT		24
 	unsigned int hash;
+
 	bool is_hw_wrapped;
 	u8 raw[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE];
 };
@@ -51,6 +59,26 @@ struct blk_crypto_key {
 #define BLK_CRYPTO_MAX_IV_SIZE		32
 #define BLK_CRYPTO_DUN_ARRAY_SIZE	(BLK_CRYPTO_MAX_IV_SIZE/sizeof(u64))
 
+static inline void
+blk_crypto_key_set_hash_and_dun_bytes(struct blk_crypto_key *key,
+				      u32 hash, unsigned int dun_bytes)
+{
+	key->hash = (dun_bytes << BLK_CRYPTO_KEY_DUN_BYTES_SHIFT) |
+		    (hash & BLK_CRYPTO_KEY_HASH_MASK);
+}
+
+static inline u32
+blk_crypto_key_hash(const struct blk_crypto_key *key)
+{
+	return key->hash & BLK_CRYPTO_KEY_HASH_MASK;
+}
+
+static inline unsigned int
+blk_crypto_key_dun_bytes(const struct blk_crypto_key *key)
+{
+	return key->hash >> BLK_CRYPTO_KEY_DUN_BYTES_SHIFT;
+}
+
 /**
  * struct bio_crypt_ctx - an inline encryption context
  * @bc_key: the key, algorithm, and data unit size to use

include/linux/blk-crypto.h

@@ -20,9 +20,11 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
 			const u8 *raw_key, unsigned int raw_key_size,
 			bool is_hw_wrapped,
 			enum blk_crypto_mode_num crypto_mode,
+			unsigned int dun_bytes,
 			unsigned int data_unit_size);
 
 int blk_crypto_start_using_mode(enum blk_crypto_mode_num crypto_mode,
+				unsigned int dun_bytes,
 				unsigned int data_unit_size,
 				bool is_hw_wrapped_key,
 				struct request_queue *q);

include/linux/blkdev.h

@@ -574,7 +574,7 @@ struct request_queue {
 	unsigned int		sg_reserved_size;
 	int			node;
 #ifdef CONFIG_BLK_DEV_IO_TRACE
-	struct blk_trace	*blk_trace;
+	struct blk_trace __rcu	*blk_trace;
 	struct mutex		blk_trace_mutex;
 #endif
 	/*

include/linux/blktrace_api.h

@@ -51,9 +51,13 @@ void __trace_note_message(struct blk_trace *, struct blkcg *blkcg, const char *f
  **/
 #define blk_add_cgroup_trace_msg(q, cg, fmt, ...)			\
 	do {								\
-		struct blk_trace *bt = (q)->blk_trace;			\
+		struct blk_trace *bt;					\
+									\
+		rcu_read_lock();					\
+		bt = rcu_dereference((q)->blk_trace);			\
 		if (unlikely(bt))					\
 			__trace_note_message(bt, cg, fmt, ##__VA_ARGS__);\
+		rcu_read_unlock();					\
 	} while (0)
 #define blk_add_trace_msg(q, fmt, ...)					\
 	blk_add_cgroup_trace_msg(q, NULL, fmt, ##__VA_ARGS__)
@@ -61,10 +65,14 @@ void __trace_note_message(struct blk_trace *, struct blkcg *blkcg, const char *f
 
 static inline bool blk_trace_note_message_enabled(struct request_queue *q)
 {
-	struct blk_trace *bt = q->blk_trace;
-	if (likely(!bt))
-		return false;
-	return bt->act_mask & BLK_TC_NOTIFY;
+	struct blk_trace *bt;
+	bool ret;
+
+	rcu_read_lock();
+	bt = rcu_dereference(q->blk_trace);
+	ret = bt && (bt->act_mask & BLK_TC_NOTIFY);
+	rcu_read_unlock();
+	return ret;
 }
 
 extern void blk_add_driver_data(struct request_queue *q, struct request *rq,

include/linux/compiler.h

@@ -382,4 +382,10 @@ unsigned long read_word_at_a_time(const void *addr)
 	(_________p1); \
 })
 
+/*
+ * This is needed in functions which generate the stack canary, see
+ * arch/x86/kernel/smpboot.c::start_secondary() for an example.
+ */
+#define prevent_tail_call_optimization()	mb()
+
 #endif /* __LINUX_COMPILER_H */