Revert "ring-buffer: Update "shortest_full" in polling"

This reverts commit cf221a7880 which is
commit 1e0cb399c7653462d9dadf8ab9425337c355d358 upstream.

It is needed to be dropped due to another conflict that is causing
crashes during Android testing.

Bug: 263508491
Cc: Lee Jones <joneslee@google.com>
Change-Id: I786e1b755a02c6c3b82fa43ec39144a3e270981e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2023-10-24 13:32:22 +00:00
parent 5ca567aeaa
commit 574430d8ef

View File

@@ -741,9 +741,6 @@ __poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
if (full) {
poll_wait(filp, &work->full_waiters, poll_table);
work->full_waiters_pending = true;
if (!cpu_buffer->shortest_full ||
cpu_buffer->shortest_full > full)
cpu_buffer->shortest_full = full;
} else {
poll_wait(filp, &work->waiters, poll_table);
work->waiters_pending = true;