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=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 064B3C06513 for ; Thu, 4 Jul 2019 11:48:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA03820828 for ; Thu, 4 Jul 2019 11:48:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727651AbfGDLsL (ORCPT ); Thu, 4 Jul 2019 07:48:11 -0400 Received: from mx7.zte.com.cn ([202.103.147.169]:55180 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727635AbfGDLsL (ORCPT ); Thu, 4 Jul 2019 07:48:11 -0400 Received: from mse-fl1.zte.com.cn (unknown [10.30.14.238]) by Forcepoint Email with ESMTPS id 7B9B0E408963C162CBD9; Thu, 4 Jul 2019 19:48:08 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse-fl1.zte.com.cn with ESMTP id x64BlpUZ061122; Thu, 4 Jul 2019 19:47:51 +0800 (GMT-8) (envelope-from wang.yi59@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019070419482107-2086632 ; Thu, 4 Jul 2019 19:48:21 +0800 From: Yi Wang To: pbonzini@redhat.com Cc: rkrcmar@redhat.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, xue.zhihong@zte.com.cn, wang.yi59@zte.com.cn, up2wing@gmail.com, wang.liang82@zte.com.cn Subject: [PATCH 1/2] kvm: x86: add likely to sched_info_on() Date: Thu, 4 Jul 2019 19:46:14 +0800 Message-Id: <1562240775-16086-2-git-send-email-wang.yi59@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1562240775-16086-1-git-send-email-wang.yi59@zte.com.cn> References: <1562240775-16086-1-git-send-email-wang.yi59@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-07-04 19:48:21, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-07-04 19:47:56, Serialize complete at 2019-07-04 19:47:56 X-MAIL: mse-fl1.zte.com.cn x64BlpUZ061122 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The condition to test is likely() to be true when make defconfig. Add the hint. Signed-off-by: Yi Wang --- arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 4992e7c..64fff41 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -642,7 +642,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, (1 << KVM_FEATURE_ASYNC_PF_VMEXIT) | (1 << KVM_FEATURE_PV_SEND_IPI); - if (sched_info_on()) + if (likely(sched_info_on())) entry->eax |= (1 << KVM_FEATURE_STEAL_TIME); entry->ebx = 0; -- 1.8.3.1