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Subject[PATCH] perf/pt: Annotate pt_cap_group with __ro_after_init
Date
pt_cap_group is written to in pt_pmu_hw_init and not modified after. This makes
it a suitable candidate for annotating as __ro_after_init.

Signed-off-by: Zubin Mithra <zsm@chromium.org>
---
arch/x86/events/intel/pt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 8d016ce5b80d..3a0aa83cbd07 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -95,7 +95,7 @@ static ssize_t pt_cap_show(struct device *cdev,
return snprintf(buf, PAGE_SIZE, "%x\n", pt_cap_get(cap));
}

-static struct attribute_group pt_cap_group = {
+static struct attribute_group pt_cap_group __ro_after_init = {
.name = "caps",
};

--
2.18.0.597.ga71716f1ad-goog
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