Peter Zijlstra 2a5bf23d5b perf/x86/intel: Fix regression by default disabling perfmon v4 interrupt handling ... Kyle Huey reported that 'rr', a replay debugger, broke due to the following commit: af3bdb991a ("perf/x86/intel: Add a separate Arch Perfmon v4 PMI handler") Rework the 'disable_counter_freezing' __setup() parameter such that we can explicitly enable/disable it and switch to default disabled. To this purpose, rename the parameter to "perf_v4_pmi=" which is a much better description and allows requiring a bool argument. [ mingo: Improved the changelog some more. ] Reported-by: Kyle Huey <me@kylehuey.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: Kan Liang <kan.liang@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert O'Callahan <robert@ocallahan.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: acme@kernel.org Link: http://lkml.kernel.org/r/20181120170842.GZ2131@hirez.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>		2018-11-20 18:57:48 +01:00
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alpha	TTY/Serial fixes for 4.20-rc2	2018-11-10 13:32:14 -06:00
arc	…
arm	Merge branch 'spectre' of git://git.armlinux.org.uk/~rmk/linux-arm	2018-11-18 10:45:09 -08:00
arm64	efi/arm: Defer persistent reservations until after paging_init()	2018-11-15 10:04:46 +01:00
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parisc	Merge branch 'parisc-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux	2018-11-14 13:42:41 -06:00
powerpc	powerpc/64: Fix kernel stack 16-byte alignment	2018-11-15 14:48:43 +11:00
riscv	RISC-V: Silence some module warnings on 32-bit	2018-11-12 18:12:24 -08:00
s390	…
sh	…
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um	for-linus-20181109	2018-11-09 16:31:51 -06:00
unicore32	…
x86	perf/x86/intel: Fix regression by default disabling perfmon v4 interrupt handling	2018-11-20 18:57:48 +01:00
xtensa	Xtensa fixes for v4.20-rc3	2018-11-16 10:10:27 -06:00
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