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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 5149BC4708E for ; Thu, 27 May 2021 15:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AF0C60724 for ; Thu, 27 May 2021 15:13:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234515AbhE0PPW (ORCPT ); Thu, 27 May 2021 11:15:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:43612 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234188AbhE0PO7 (ORCPT ); Thu, 27 May 2021 11:14:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EAEDB613AF; Thu, 27 May 2021 15:13:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1622128403; bh=KMSKd3WhdCgZbyK8rMaWSOKsaZ3WKoE3YsUvgz2CXvQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wibaJj0p2Fu6/6S32jJ1GQT/ZrKxlfgemLVzEzWTcw9Ii2RsI5b6RT9y9kWDZJcu4 hEgEAMdfxPTClBB8wZn9bHN2NvdNKkXfC4NCUsobxyAyTU8xbQPGlVL+UczgPog7nV F6DtR/fbFy3zD5bbSYLDdaCYbQsyt/lsnq46R8b0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thomas Gleixner , Wanpeng Li , Sean Christopherson Subject: [PATCH 5.10 4/9] context_tracking: Move guest exit context tracking to separate helpers Date: Thu, 27 May 2021 17:12:56 +0200 Message-Id: <20210527151139.380074305@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210527151139.242182390@linuxfoundation.org> References: <20210527151139.242182390@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wanpeng Li commit 866a6dadbb027b2955a7ae00bab9705d382def12 upstream. Provide separate context tracking helpers for guest exit, the standalone helpers will be called separately by KVM x86 in later patches to fix tick-based accounting. Suggested-by: Thomas Gleixner Signed-off-by: Wanpeng Li Co-developed-by: Sean Christopherson Signed-off-by: Sean Christopherson Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20210505002735.1684165-2-seanjc@google.com Signed-off-by: Greg Kroah-Hartman --- include/linux/context_tracking.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -129,10 +129,15 @@ static __always_inline void guest_enter_ } } -static __always_inline void guest_exit_irqoff(void) +static __always_inline void context_tracking_guest_exit(void) { if (context_tracking_enabled()) __context_tracking_exit(CONTEXT_GUEST); +} + +static __always_inline void guest_exit_irqoff(void) +{ + context_tracking_guest_exit(); instrumentation_begin(); if (vtime_accounting_enabled_this_cpu()) @@ -157,6 +162,8 @@ static __always_inline void guest_enter_ instrumentation_end(); } +static __always_inline void context_tracking_guest_exit(void) { } + static __always_inline void guest_exit_irqoff(void) { instrumentation_begin();