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bde1e7d934
The kernel and the userspace tool can access the AUX ring buffer head and tail from different CPUs, thus SMP class of barriers are required on SMP system. This patch changes to use SMP barriers to replace mb() and rmb() barriers. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: x86@kernel.org Link: http://lore.kernel.org/lkml/20210602103007.184993-6-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| firewire | ||
| firmware | ||
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| hv | ||
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| laptop | ||
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| lib | ||
| memory-model | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
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| spi | ||
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| time | ||
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| Makefile | ||