driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8EC9K CVE: NA

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The BRBE feature depend on ARMV8 PMU hardware support for branch stack sampling. Not enabled ARM64_BRBE by default.

Signed-off-by: Junhao He hejunhao3@huawei.com --- drivers/perf/Kconfig | 1 - 1 file changed, 1 deletion(-)

diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig index 25a577530da4..67ad53cde11f 100644 --- a/drivers/perf/Kconfig +++ b/drivers/perf/Kconfig @@ -133,7 +133,6 @@ config ARM_SPE_PMU config ARM64_BRBE bool "Enable support for Branch Record Buffer Extension (BRBE)" depends on PERF_EVENTS && ARM64 && ARM_PMU - default y help Enable perf support for Branch Record Buffer Extension (BRBE) which records all branches taken in an execution path. This supports some