diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 3b62dbb94796..6be0349e01ad 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -250,11 +250,25 @@ static inline u32 perf_flags_from_msr(struct pt_regs *regs) static inline u32 perf_get_misc_flags(struct pt_regs *regs) { bool use_siar = regs_use_siar(regs); + unsigned long mmcra = regs->dsisr; + int marked = mmcra & MMCRA_SAMPLE_ENABLE; if (!use_siar) return perf_flags_from_msr(regs); /* + * Check the address in SIAR to identify the + * privilege levels since the SIER[MSR_HV, MSR_PR] + * bits are not set for marked events in power10 + * DD1. + */ + if (marked && (ppmu->flags & PPMU_P10_DD1)) { + if (is_kernel_addr(mfspr(SPRN_SIAR))) + return PERF_RECORD_MISC_KERNEL; + return PERF_RECORD_MISC_USER; + } + + /* * If we don't have flags in MMCRA, rather than using * the MSR, we intuit the flags from the address in * SIAR which should give slightly more reliable |