Peter Zijlstra 1908dc9117 perf: Tweak perf_event_attr::exclusive semantics ... Currently perf_event_attr::exclusive can be used to ensure an event(group) is the sole group scheduled on the PMU. One consequence is that when you have a pinned event (say the watchdog) you can no longer have regular exclusive event(group)s. Inspired by the fact that !pinned events are considered less strict, allow !pinned,exclusive events to share the PMU with pinned,!exclusive events. Pinned,exclusive is still fully exclusive. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20201029162902.105962225@infradead.org		2020-11-09 18:12:36 +01:00
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Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
callchain.c	uaccess: add force_uaccess_{begin,end} helpers	2020-08-12 10:57:59 -07:00
core.c	perf: Tweak perf_event_attr::exclusive semantics	2020-11-09 18:12:36 +01:00
hw_breakpoint.c	powerpc/watchpoint: Don't allow concurrent perf and ptrace events	2020-05-19 00:14:45 +10:00
internal.h	perf: Optimize get_recursion_context()	2020-11-09 18:12:34 +01:00
ring_buffer.c	perf: Reduce stack usage of perf_output_begin()	2020-11-09 18:12:33 +01:00
uprobes.c	task_work: cleanup notification modes	2020-10-17 15:05:30 -06:00