Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756105Ab2JTQXD (ORCPT ); Sat, 20 Oct 2012 12:23:03 -0400 Received: from mail-gg0-f174.google.com ([209.85.161.174]:36853 "EHLO mail-gg0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755934Ab2JTQW7 (ORCPT ); Sat, 20 Oct 2012 12:22:59 -0400 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Andrew Morton , Steven Rostedt , Paul Gortmaker Subject: [RFC PATCH 3/8] x86: Implement arch_irq_work_has_ipi() Date: Sat, 20 Oct 2012 12:22:42 -0400 Message-Id: <1350750167-14263-4-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1350750167-14263-1-git-send-email-fweisbec@gmail.com> References: <1350750167-14263-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1231 Lines: 39 Most of the time, x86 can trigger self-IPIs. Tell irq work subsystem about it. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Andrew Morton Cc: Steven Rostedt Cc: Paul Gortmaker --- arch/x86/include/asm/irq_work.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h index dad8266..c7489cd 100644 --- a/arch/x86/include/asm/irq_work.h +++ b/arch/x86/include/asm/irq_work.h @@ -2,8 +2,12 @@ #define _ASM_X86_IRQ_WORK_H #ifdef CONFIG_X86_LOCAL_APIC +#include + extern void __arch_irq_work_raise(void); #define arch_irq_work_raise __arch_irq_work_raise + +#define arch_irq_work_has_ipi() (cpu_has_apic) #endif #include -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/