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| author | Ingo Molnar <mingo@kernel.org> | 2019-07-08 19:04:41 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-08 19:04:41 +0300 |
| commit | 552a031ba12a4236be107a5b082a399237758a5d (patch) | |
| tree | a2bcdeb651b360013dbb654bbcd61dbaf51e0331 /arch/x86/events/core.c | |
| parent | f584dd32edc5d4400d7ceb92111a89f0c1f6651f (diff) | |
| parent | 0ecfebd2b52404ae0c54a878c872bb93363ada36 (diff) | |
| download | linux-552a031ba12a4236be107a5b082a399237758a5d.tar.xz | |
Merge tag 'v5.2' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/core.c')
| -rw-r--r-- | arch/x86/events/core.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index f0e4804515d8..ffc015bd257e 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -561,14 +561,14 @@ int x86_pmu_hw_config(struct perf_event *event) } /* sample_regs_user never support XMM registers */ - if (unlikely(event->attr.sample_regs_user & PEBS_XMM_REGS)) + if (unlikely(event->attr.sample_regs_user & PERF_REG_EXTENDED_MASK)) return -EINVAL; /* * Besides the general purpose registers, XMM registers may * be collected in PEBS on some platforms, e.g. Icelake */ - if (unlikely(event->attr.sample_regs_intr & PEBS_XMM_REGS)) { - if (x86_pmu.pebs_no_xmm_regs) + if (unlikely(event->attr.sample_regs_intr & PERF_REG_EXTENDED_MASK)) { + if (!(event->pmu->capabilities & PERF_PMU_CAP_EXTENDED_REGS)) return -EINVAL; if (!event->attr.precise_ip) @@ -2328,13 +2328,13 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re return; } - if (perf_hw_regs(regs)) { - if (perf_callchain_store(entry, regs->ip)) - return; + if (perf_callchain_store(entry, regs->ip)) + return; + + if (perf_hw_regs(regs)) unwind_start(&state, current, regs, NULL); - } else { + else unwind_start(&state, current, NULL, (void *)regs->sp); - } for (; !unwind_done(&state); unwind_next_frame(&state)) { addr = unwind_get_return_address(&state); |