Peter Zijlstra 4d839dd9e4 perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data ... We must use {READ,WRITE}_ONCE() on rb->user_page data such that concurrent usage will see whole values. A few key sites were missing this. Suggested-by: Yabin Cui <yabinc@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: acme@kernel.org Cc: mark.rutland@arm.com Cc: namhyung@kernel.org Fixes: 7b732a7504 ("perf_counter: new output ABI - part 1") Link: http://lkml.kernel.org/r/20190517115418.394192145@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>		2019-05-24 09:00:11 +02:00
..
callchain.c	perf/core: Convert to SPDX license identifiers	2019-02-04 08:46:11 +01:00
core.c	perf/core: Add perf_pmu_resched() as global function	2019-04-16 12:19:34 +02:00
hw_breakpoint.c	perf/hw_breakpoints: Convert to SPDX license identifier	2019-02-04 08:46:13 +01:00
internal.h	perf/ring_buffer: Convert ring_buffer.aux_refcount to refcount_t	2019-02-04 08:46:17 +01:00
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
ring_buffer.c	perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data	2019-05-24 09:00:11 +02:00
uprobes.c	mm/mmu_notifier: use correct mmu_notifier events for each invalidation	2019-05-14 09:47:49 -07:00