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Diffstat (limited to 'arch/powerpc/kernel/perf_event.c')
-rw-r--r--arch/powerpc/kernel/perf_event.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index bbcbae1..87f1663 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -116,20 +116,23 @@ static inline void perf_get_data_addr(struct pt_regs *regs, u64 *addrp)
static inline u32 perf_get_misc_flags(struct pt_regs *regs)
{
unsigned long mmcra = regs->dsisr;
+ unsigned long sihv = MMCRA_SIHV;
+ unsigned long sipr = MMCRA_SIPR;
if (TRAP(regs) != 0xf00)
return 0; /* not a PMU interrupt */
if (ppmu->flags & PPMU_ALT_SIPR) {
- if (mmcra & POWER6_MMCRA_SIHV)
- return PERF_RECORD_MISC_HYPERVISOR;
- return (mmcra & POWER6_MMCRA_SIPR) ?
- PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL;
+ sihv = POWER6_MMCRA_SIHV;
+ sipr = POWER6_MMCRA_SIPR;
}
- if (mmcra & MMCRA_SIHV)
+
+ /* PR has priority over HV, so order below is important */
+ if (mmcra & sipr)
+ return PERF_RECORD_MISC_USER;
+ if ((mmcra & sihv) && (freeze_events_kernel != MMCR0_FCHV))
return PERF_RECORD_MISC_HYPERVISOR;
- return (mmcra & MMCRA_SIPR) ? PERF_RECORD_MISC_USER :
- PERF_RECORD_MISC_KERNEL;
+ return PERF_RECORD_MISC_KERNEL;
}
/*