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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B308C433F5 for ; Thu, 5 May 2022 15:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381367AbiEEPcG (ORCPT ); Thu, 5 May 2022 11:32:06 -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: 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.