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=-3.1 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 F26B8C46464 for ; Fri, 10 Aug 2018 15:43:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 90C0D22414 for ; Fri, 10 Aug 2018 15:43:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="TXCNWwRL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90C0D22414 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject 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 S1728050AbeHJSNs (ORCPT ); Fri, 10 Aug 2018 14:13:48 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:45355 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727381AbeHJSNs (ORCPT ); Fri, 10 Aug 2018 14:13:48 -0400 Received: by mail-pf1-f196.google.com with SMTP id i26-v6so4696942pfo.12 for ; Fri, 10 Aug 2018 08:43:25 -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=eCT/GwwzGvav606l3FZtyMu5qhBDgzLqJDAQv26V9/w=; b=TXCNWwRLsVTR585466zVpWIQdWZ2CWzLxtHalahHoxiCac9yuaIJ64iSrIN50N3mE6 04dpUHGRkVIYZowiuA+Rcvd/oRSlHVKrGtlNfQAIlPOqqRvsrJktyvarP0b8YkDXWqgM uHN0vNIpOqM5s8LJB5/4j8kzTM/ihnoHdqB/s= 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=eCT/GwwzGvav606l3FZtyMu5qhBDgzLqJDAQv26V9/w=; b=qDcvE856YD+IwWjPIixqIc+ARvCmQ03o+0CdgZSmd0kK8q/q62hhlPixJSGH1KKQ02 D5kBlPXppOJTHawVcWU6FHMapIACOyWrn3bGsWwNmXvBU/Mw7T7c4Bx0aVS7M/B9j3K2 dU4xYyqen0aem8jFITVMNM8PAKKRA3ng1jH5GBwI2CqqtAYJYNY5h+LJDE1iF/Vb5qmM E7TBXvrJLwdvLj6Q4QZSebIMmN89652nQQOlXI3MQLgw1Igh1wJKemCwzhMZjcNSO9/b bg0gIN+7hEv/nDCIzbxawxADbeq39NcxXPo21q1w2qJgUcfOTsVfMyZM3SybOlA7h93z KnOQ== X-Gm-Message-State: AOUpUlFqbpufcNRhqQy/St6bbrRgZMdCPaoT0RJuPaWGJ44f0EXrCMfa V5r5tM27LrT3Zm8+R4AhWg5yGA== X-Google-Smtp-Source: AA+uWPzkn5wA9n/qRExvM5l1y0Us0GzQkxnZQdrUTT7saT2dRzVtioAbFIAa3yz2e0i5JgwS2eee1A== X-Received: by 2002:a62:d842:: with SMTP id e63-v6mr7704211pfg.88.1533915805587; Fri, 10 Aug 2018 08:43:25 -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 2-v6sm22192424pfs.58.2018.08.10.08.43.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Aug 2018 08:43:24 -0700 (PDT) From: Zubin Mithra To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, alexander.shishkin@linux.intel.com, x86@kernel.org Cc: linux-kernel@vger.kernel.org, groeck@chromium.org, keescook@chromium.org, zsm@chromium.org Subject: [PATCH] perf/x86: Add __ro_after_init annotations Date: Fri, 10 Aug 2018 08:43:14 -0700 Message-Id: <20180810154314.96710-1-zsm@chromium.org> X-Mailer: git-send-email 2.18.0.597.ga71716f1ad-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 x86_pmu_{format,events,attr,caps}_group is written to in init_hw_perf_events and not modified after. This makes them suitable candidates for annotating as __ro_after_init. Signed-off-by: Zubin Mithra --- arch/x86/events/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 5f4829f10129..88e5f67f5d4c 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1584,7 +1584,7 @@ static void __init pmu_check_apic(void) } -static struct attribute_group x86_pmu_format_group = { +static struct attribute_group x86_pmu_format_group __ro_after_init = { .name = "format", .attrs = NULL, }; @@ -1715,7 +1715,7 @@ static struct attribute *events_attr[] = { NULL, }; -static struct attribute_group x86_pmu_events_group = { +static struct attribute_group x86_pmu_events_group __ro_after_init = { .name = "events", .attrs = events_attr, }; @@ -2230,7 +2230,7 @@ static struct attribute *x86_pmu_attrs[] = { NULL, }; -static struct attribute_group x86_pmu_attr_group = { +static struct attribute_group x86_pmu_attr_group __ro_after_init = { .attrs = x86_pmu_attrs, }; @@ -2248,7 +2248,7 @@ static struct attribute *x86_pmu_caps_attrs[] = { NULL }; -static struct attribute_group x86_pmu_caps_group = { +static struct attribute_group x86_pmu_caps_group __ro_after_init = { .name = "caps", .attrs = x86_pmu_caps_attrs, }; -- 2.18.0.597.ga71716f1ad-goog