Re: [PATCH V9 04/13] powerpc, perf: Restore privilege level filter support for BHRB

On 06/25/2015 10:32 AM, Daniel Axtens wrote: diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 7a03cce..892340e 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -930,7 +930,7 @@ static int

Re: [PATCH V9 04/13] powerpc, perf: Restore privilege level filter support for BHRB

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 7a03cce..892340e 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -930,7 +930,7 @@ static int power_check_constraints(struct cpu_hw_events *cpuhw, * added events.

[PATCH V9 04/13] powerpc, perf: Restore privilege level filter support for BHRB

'commit 9de5cb0f6df8 (powerpc/perf: Add per-event excludes on Power8)' broke the PMU based BHRB privilege level filter. BHRB depends on the same MMCR0 bits for privilege level filter which was used to freeze all the PMCs as a group. Once we moved to individual event based privilege filters through