From: tip-bot for Zubin Mithra <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: torvalds@linux-foundation.org, groeck@chromium.org,
hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@kernel.org,
tglx@linutronix.de, zsm@chromium.org, peterz@infradead.org
Subject: [tip:perf/core] perf/x86/intel/pt: Annotate 'pt_cap_group' with __ro_after_init
Date: Wed, 12 Sep 2018 14:27:51 -0700 [thread overview]
Message-ID: <tip-49e73246cbe6fe0df9cae2db87f31cdc3a0b2b61@git.kernel.org> (raw)
In-Reply-To: <20180912164510.23444-1-zsm@chromium.org>
Commit-ID: 49e73246cbe6fe0df9cae2db87f31cdc3a0b2b61
Gitweb: https://git.kernel.org/tip/49e73246cbe6fe0df9cae2db87f31cdc3a0b2b61
Author: Zubin Mithra <zsm@chromium.org>
AuthorDate: Wed, 12 Sep 2018 09:45:10 -0700
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 12 Sep 2018 21:16:16 +0200
perf/x86/intel/pt: Annotate 'pt_cap_group' with __ro_after_init
'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>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: keescook@chromium.org
Link: http://lkml.kernel.org/r/20180912164510.23444-1-zsm@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.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",
};
prev parent reply other threads:[~2018-09-12 21:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 16:45 [PATCH] perf/pt: Annotate pt_cap_group with __ro_after_init Zubin Mithra
2018-09-12 16:50 ` Guenter Roeck
2018-09-12 21:27 ` tip-bot for Zubin Mithra [this message]
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