Searched hist:"9 dfa9a5c9bae3417b87824e7ac73b00c10b6a874" (Results 1 – 3 of 3) sorted by relevance
| /openbmc/linux/arch/x86/events/intel/ |
| H A D | ds.c | diff 9dfa9a5c9bae3417b87824e7ac73b00c10b6a874 Fri Oct 30 08:58:48 CDT 2020 Peter Zijlstra <peterz@infradead.org> perf/x86: Reduce stack usage for x86_pmu::drain_pebs()
intel_pmu_drain_pebs_*() is typically called from handle_pmi_common(),
both have an on-stack struct perf_sample_data, which is *big*. Rewire
things so that drain_pebs() can use the one handle_pmi_common() has.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201030151955.054099690@infradead.org
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| H A D | core.c | diff 9dfa9a5c9bae3417b87824e7ac73b00c10b6a874 Fri Oct 30 08:58:48 CDT 2020 Peter Zijlstra <peterz@infradead.org> perf/x86: Reduce stack usage for x86_pmu::drain_pebs()
intel_pmu_drain_pebs_*() is typically called from handle_pmi_common(),
both have an on-stack struct perf_sample_data, which is *big*. Rewire
things so that drain_pebs() can use the one handle_pmi_common() has.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201030151955.054099690@infradead.org
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| /openbmc/linux/arch/x86/events/ |
| H A D | perf_event.h | diff 9dfa9a5c9bae3417b87824e7ac73b00c10b6a874 Fri Oct 30 08:58:48 CDT 2020 Peter Zijlstra <peterz@infradead.org> perf/x86: Reduce stack usage for x86_pmu::drain_pebs()
intel_pmu_drain_pebs_*() is typically called from handle_pmi_common(),
both have an on-stack struct perf_sample_data, which is *big*. Rewire
things so that drain_pebs() can use the one handle_pmi_common() has.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201030151955.054099690@infradead.org
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