From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28F0FC6778D for ; Wed, 12 Sep 2018 16:45:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C701C20833 for ; Wed, 12 Sep 2018 16:45:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="U83OMdVB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C701C20833 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727804AbeILVu5 (ORCPT ); Wed, 12 Sep 2018 17:50:57 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:41605 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726798AbeILVu5 (ORCPT ); Wed, 12 Sep 2018 17:50:57 -0400 Received: by mail-pl1-f195.google.com with SMTP id b12-v6so1245829plr.8 for ; Wed, 12 Sep 2018 09:45:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/iSBHV4N+CfZFH8TFqEfs20bUBQJc1s8na1Lh4ikqcM=; b=U83OMdVBQY8wQU3Cu5OoRsxFIDF/ulCmoRor4KsW6EaXr8yyX85lRkyX2wBC2dnYMO gOBIeRWJLKwHbBlO6UxEj0llqORPlicXERwYsIptM/Y1j+GQZy5vy9aOuW0uMFRkYGbb IJ6u5dWmjcl0nzN3d5SkBrHx7gqL4WJeJctdM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/iSBHV4N+CfZFH8TFqEfs20bUBQJc1s8na1Lh4ikqcM=; b=bIyNluqIkjC48lOwVh/qsATdaflK9odt6aJJiE+5yrfVpxf0Hx71cnP2Li9WOqoV04 pgGpWcy0oUlY3K30YYunExjuglZabJLNy05p8ZJ+DP8lC7YnHtNLcGzwN716TL/VBmMS keLTlsjg6rxzo2Jf4BpXQlm/Vos5yxm4QovzLb65hPT6vPRhxjWe8/OkTwksPHDiImge cZxSQpfZMDynbJ9v/kGVGL6cv1+X8Vm8k697Iuc2d4+kFy88+iSC0nuGuRXY5XkMGDrn 6peQk8kaggtMH1Sp3vClv6T1JIImmSmd1A6q59lQAyHfHibvDcYo3yzX00/3//GNtrJH +xgw== X-Gm-Message-State: APzg51D1EiG8Qi7fKycx7CJmqXB7YxKCRHhD6xbsHuyIHBr2xw0dn9jW pThPdYHvuzqooplY5Nb2n2KsGA== X-Google-Smtp-Source: ANB0VdZyGrnZSXbA9C9UcrCduERJuY7eKwG2ggsfN/mtoXsCMJdmnjkeDoUWJ+ltFGYbxZXbC5OZZg== X-Received: by 2002:a17:902:6b05:: with SMTP id o5-v6mr3301855plk.338.1536770735271; Wed, 12 Sep 2018 09:45:35 -0700 (PDT) Received: from zsm-linux.mtv.corp.google.com ([2620:15c:202:201:1b7c:8280:c835:b226]) by smtp.googlemail.com with ESMTPSA id e14-v6sm2257804pgv.48.2018.09.12.09.45.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Sep 2018 09:45:34 -0700 (PDT) From: Zubin Mithra To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org Cc: linux-kernel@vger.kernel.org, groeck@chromium.org, keescook@chromium.org, zsm@chromium.org Subject: [PATCH] perf/pt: Annotate pt_cap_group with __ro_after_init Date: Wed, 12 Sep 2018 09:45:10 -0700 Message-Id: <20180912164510.23444-1-zsm@chromium.org> X-Mailer: git-send-email 2.19.0.rc2.392.g5ba43deb5a-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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