Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933849AbbDWKqb (ORCPT ); Thu, 23 Apr 2015 06:46:31 -0400 Received: from foss.arm.com ([217.140.101.70]:50867 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933080AbbDWKq3 (ORCPT ); Thu, 23 Apr 2015 06:46:29 -0400 Date: Thu, 23 Apr 2015 11:46:25 +0100 From: Will Deacon To: Anders Roxell Cc: Catalin Marinas , "a.p.zijlstra@chello.nl" , "paulus@samba.org" , "mingo@redhat.com" , "acme@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "khilman@linaro.org" , "steve.capper@linaro.org" Subject: Re: [PATCH 1/2] arm64: Mark PMU interrupt IRQF_NO_THREAD Message-ID: <20150423104624.GD1652@arm.com> References: <1429628755-22492-1-git-send-email-anders.roxell@linaro.org> <1429628755-22492-2-git-send-email-anders.roxell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1429628755-22492-2-git-send-email-anders.roxell@linaro.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1271 Lines: 39 On Tue, Apr 21, 2015 at 04:05:54PM +0100, Anders Roxell wrote: > Mark the PMU interrupts as non-threadable, as is the case with > arch/arm: d9c3365 ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD > > Suggested-by: Sebastian Andrzej Siewior > Signed-off-by: Anders Roxell > --- > arch/arm64/kernel/perf_event.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Will Deacon Catalin can queue this for 4.2. Cheers, Will > diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c > index 195991d..7db5c84 100644 > --- a/arch/arm64/kernel/perf_event.c > +++ b/arch/arm64/kernel/perf_event.c > @@ -488,7 +488,7 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu) > } > > err = request_irq(irq, armpmu->handle_irq, > - IRQF_NOBALANCING, > + IRQF_NOBALANCING | IRQF_NO_THREAD, > "arm-pmu", armpmu); > if (err) { > pr_err("unable to request IRQ%d for ARM PMU counters\n", > -- > 2.1.4 > -- 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/