Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp4690964iob; Sun, 8 May 2022 22:09:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwca6zlAxMA6nEgcXjQSsUNSoIMIBJaapASm0XH29aj+xwpXXtA9jn2qfPJ/BC8yAVLiIBw X-Received: by 2002:a17:90b:4f92:b0:1cd:3a73:3a46 with SMTP id qe18-20020a17090b4f9200b001cd3a733a46mr16574802pjb.66.1652072945816; Sun, 08 May 2022 22:09:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1652072945; cv=none; d=google.com; s=arc-20160816; b=SINC/LXligWv+TSNmX/k0vNAx7slL79eorCvtFx8NHm84Zx6BQhrz4Nt93PJgIoPls ZSQsX/NIi4zZD6/o0iSS1+K3g0UgjjJvGyNbYRAGToOG6tmEv6gTH+R11UXWDV+fLRM8 UoxItbQTW7vK6nSOGQ5iTCBtiyesUTKybDNxpC+pdhx66OeJPXMtTaF0MJ6XCzLX9zOX 9ImtF5ZTd0aEGtg5ONG5B7efxayJIhfY+KRfnJsmHgLTUrSs3uPDkOVopI2ajZGFRclq 4pECAxvZn6doOVn0Hx2QMl1OgFfKRahaXbj2F60IWF65K09zUuEiB8oEUXeN8BTwY7XZ PbTw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=v6UFYJ7J2uKs0C9U2/flGA2LkCDMhpzcM1S9w5um6ug=; b=0XkmwVpFtPu68DAz2QAU5Dm342Jv+xPSVJp7dixFeSO4x9fnSQdFhA/9IBF7Co3MvO nJXP7CjEMdkzbaCgu4YUkW3rE0DAKzL3VXLJ4GG24z+goDT/1wCYRe1sB/a4wOvAnwNe HBRC5t45CA28HoNaQVR3r4Wa20mwceRtzicGxjNntUf8HvonoykQe59EZV2Ei/6RZvam QJLgk0IMZoOWA/x/8UEZFpzOZH7qI8lFXj7ZzUpEhq6tHMxDMG3NeOSYoDLU7fwWBR0e FXlbXjAwKovCgTb1xLucuX931m7KD33yi+3SP2J10Gc4XIO6Pug2nHkXU4OMtJiJ+boR LYOg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [23.128.96.19]) by mx.google.com with ESMTPS id h20-20020a056a001a5400b0050d3ccc654fsi14735945pfv.10.2022.05.08.22.09.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 May 2022 22:09:05 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 067DD4830F; Sun, 8 May 2022 22:02:59 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381366AbiEEPcE (ORCPT + 99 others); Thu, 5 May 2022 11:32:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232024AbiEEPb5 (ORCPT ); Thu, 5 May 2022 11:31:57 -0400 Received: from mail.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 536695BE5F; Thu, 5 May 2022 08:28:17 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mail.nfschina.com (Postfix) with ESMTP id 9C2931E80D1C; Thu, 5 May 2022 23:23:41 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from mail.nfschina.com ([127.0.0.1]) by localhost (mail.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VxJ5tpqwnLGW; Thu, 5 May 2022 23:23:39 +0800 (CST) Received: from localhost.localdomain (unknown [111.193.128.65]) (Authenticated sender: kunyu@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id EA16C1E80C9B; Thu, 5 May 2022 23:23:38 +0800 (CST) From: Li kunyu To: mail@maciej.szmigiero.name Cc: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, jgross@suse.com, jmattson@google.com, joro@8bytes.org, kunyu@nfschina.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, seanjc@google.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org Subject: Re: [PATCH] x86: Function missing integer return value Date: Thu, 5 May 2022 23:28:02 +0800 Message-Id: <20220505152803.101762-1-kunyu@nfschina.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: References: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, senior, I've considered break before, but I'm not sure if I want to execute more instructions. Query break executed one more NOP instruction.