From nobody Fri May 8 07:37:13 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4005C433FE for ; Sun, 8 May 2022 02:26:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230003AbiEHCaD (ORCPT ); Sat, 7 May 2022 22:30:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229829AbiEHCaC (ORCPT ); Sat, 7 May 2022 22:30:02 -0400 X-Greylist: delayed 115 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sat, 07 May 2022 19:26:05 PDT Received: from smtpbg.qq.com (smtpbg123.qq.com [175.27.65.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F6E75FA4; Sat, 7 May 2022 19:26:04 -0700 (PDT) X-QQ-mid: bizesmtp73t1651976607tq4hk2fm Received: from localhost.localdomain ( [125.69.42.80]) by bizesmtp.qq.com (ESMTP) with id ; Sun, 08 May 2022 10:23:25 +0800 (CST) X-QQ-SSF: 01000000002000E0S000B00A0000000 X-QQ-FEAT: 6gErTyJCHhwejptIFuc8wZvRxbU2cVPiaq5l6wbXIdAR0VTpNVPvPcaDa2crJ 4fAmHj3T9gjyaOsJY+mNJOX65KGijJNArs4GaULMCLTwv1YKKMZ4SXbHyo1AmTWUVjdX5Qd 8QTi0TjMtkBsqsQhTbrNAqMunm7/odEsf6RTxEyhoRz8GQMIOakv7szcUzS4QL99KbOjH3d GbDqYjp4tlgs5sBQdkAq81fAeXm2tx6niKKgcGBBh3nbQpcGSbJbvzIEAi2QMaY2ldldnTi o1mFffur4n4cvhmHj/WEhUTVWtqLpwr4xgr9WS0jg2pRrl X-QQ-GoodBg: 0 From: Jason Wang To: mark.rutland@arm.com Cc: will@kernel.org, catalin.marinas@arm.com, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Jason Wang Subject: [PATCH] arm64: perf: no need to initialise statics to 0 Date: Sun, 8 May 2022 10:23:12 +0800 Message-Id: <20220508022312.93905-1-wangborong@cdjrlc.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:cdjrlc.com:qybgspam:qybgspam8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Static variables do not need to be initialised to 0, because compiler will initialise all uninitialised statics to 0. Thus, remove the unneeded initializations. Signed-off-by: Jason Wang --- arch/arm64/kernel/perf_event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index cb69ff1e6138..919fdcf8fce6 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1226,7 +1226,7 @@ static struct ctl_table armv8_pmu_sysctl_table[] =3D { =20 static void armv8_pmu_register_sysctl_table(void) { - static u32 tbl_registered =3D 0; + static u32 tbl_registered; =20 if (!cmpxchg_relaxed(&tbl_registered, 0, 1)) register_sysctl("kernel", armv8_pmu_sysctl_table); --=20 2.35.1