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Date:   Wed, 12 Sep 2018 14:27:51 -0700
From:   tip-bot for Zubin Mithra <tipbot@zytor.com>
Message-ID: <tip-49e73246cbe6fe0df9cae2db87f31cdc3a0b2b61@git.kernel.org>
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip:perf/core] perf/x86/intel/pt: Annotate 'pt_cap_group' with
 __ro_after_init
Git-Commit-ID: 49e73246cbe6fe0df9cae2db87f31cdc3a0b2b61
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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",
 };