Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754873Ab0KRHBe (ORCPT ); Thu, 18 Nov 2010 02:01:34 -0500 Received: from mail-px0-f174.google.com ([209.85.212.174]:60464 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751331Ab0KRHBc (ORCPT ); Thu, 18 Nov 2010 02:01:32 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=EqmQhW4pKawkY1rkXoO+2GROQbANS76eK9lNt2lJ4iHXf5RcC/f12IS5Mxhyy7s8kB H2kGiS2N5IVoKMgl3RiBku/+I/NdtIEsXC08ataSSK2Jjg/oh4sm052s0XO8XpV9JTlr tG0bd8AbJVGCzXJDT6pdiBdwFMm2XVpJFCFQM= From: Deng-Cheng Zhu To: ralf@linux-mips.org, a.p.zijlstra@chello.nl, fweisbec@gmail.com, will.deacon@arm.com Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, wuzhangjin@gmail.com, paulus@samba.org, mingo@elte.hu, acme@redhat.com, dengcheng.zhu@gmail.com Subject: [PATCH 1/5] MIPS/Perf-events: Work with irq_work Date: Thu, 18 Nov 2010 14:56:37 +0800 Message-Id: <1290063401-25440-2-git-send-email-dengcheng.zhu@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1290063401-25440-1-git-send-email-dengcheng.zhu@gmail.com> References: <1290063401-25440-1-git-send-email-dengcheng.zhu@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2089 Lines: 66 This is the MIPS part of the following commit by Peter Zijlstra: e360adbe29241a0194e10e20595360dd7b98a2b3 irq_work: Add generic hardirq context callbacks Signed-off-by: Deng-Cheng Zhu --- arch/mips/Kconfig | 1 + arch/mips/include/asm/perf_event.h | 12 +----------- arch/mips/kernel/perf_event_mipsxx.c | 2 +- 3 files changed, 3 insertions(+), 12 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 67a2fa2..c44c38d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,6 +4,7 @@ config MIPS select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE + select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select PERF_USE_VMALLOC select HAVE_ARCH_KGDB diff --git a/arch/mips/include/asm/perf_event.h b/arch/mips/include/asm/perf_event.h index e00007c..d0c7749 100644 --- a/arch/mips/include/asm/perf_event.h +++ b/arch/mips/include/asm/perf_event.h @@ -11,15 +11,5 @@ #ifndef __MIPS_PERF_EVENT_H__ #define __MIPS_PERF_EVENT_H__ - -/* - * MIPS performance counters do not raise NMI upon overflow, a regular - * interrupt will be signaled. Hence we can do the pending perf event - * work at the tail of the irq handler. - */ -static inline void -set_perf_event_pending(void) -{ -} - +/* Leave it empty here. The file is required by linux/perf_event.h */ #endif /* __MIPS_PERF_EVENT_H__ */ diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 5c7c6fc..fa00edc 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -696,7 +696,7 @@ static int mipsxx_pmu_handle_shared_irq(void) * interrupt, not NMI. */ if (handled == IRQ_HANDLED) - perf_event_do_pending(); + irq_work_run(); #ifdef CONFIG_MIPS_MT_SMP read_unlock(&pmuint_rwlock); -- 1.7.1 -- 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/