From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757698AbZBRWbq (ORCPT ); Wed, 18 Feb 2009 17:31:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753533AbZBRWaZ (ORCPT ); Wed, 18 Feb 2009 17:30:25 -0500 Received: from adsl-76-233-236-102.dsl.pltn13.sbcglobal.net ([76.233.236.102]:43891 "EHLO abulafia.goop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752793AbZBRWaX (ORCPT ); Wed, 18 Feb 2009 17:30:23 -0500 From: Jeremy Fitzhardinge To: Ingo Molnar Cc: the arch/x86 maintainers , Xen-devel , Linux Kernel Mailing List , Peter Zijlstra , Nick Piggin , Andrew Morton , Thomas Gleixner , Rusty Russell , Zachary Amsden , Alok N Kataria , Avi Kivity , Marcelo Tosatti , Jeremy Fitzhardinge Subject: [PATCH 8/9] x86/paravirt: use percpu_ rather than __get_cpu_var Date: Wed, 18 Feb 2009 14:30:17 -0800 Message-Id: <7085aa1b0de087d3ca45257b2c1355d3de7a9cf2.1234988621.git.jeremy.fitzhardinge@citrix.com> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jeremy Fitzhardinge percpu_read/write is a slightly more direct way of getting to percpu data. Signed-off-by: Jeremy Fitzhardinge --- arch/x86/kernel/paravirt.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 1a81ce9..0811730 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -247,16 +247,16 @@ static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LA static inline void enter_lazy(enum paravirt_lazy_mode mode) { - BUG_ON(__get_cpu_var(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE); + BUG_ON(percpu_read(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE); - __get_cpu_var(paravirt_lazy_mode) = mode; + percpu_write(paravirt_lazy_mode, mode); } static void leave_lazy(enum paravirt_lazy_mode mode) { - BUG_ON(__get_cpu_var(paravirt_lazy_mode) != mode); + BUG_ON(percpu_read(paravirt_lazy_mode) != mode); - __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE; + percpu_write(paravirt_lazy_mode, PARAVIRT_LAZY_NONE); } void paravirt_enter_lazy_mmu(void) @@ -295,7 +295,7 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) if (in_interrupt()) return PARAVIRT_LAZY_NONE; - return __get_cpu_var(paravirt_lazy_mode); + return percpu_read(paravirt_lazy_mode); } void arch_flush_lazy_mmu_mode(void) -- 1.6.0.6