From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] arm64: Mark PMU interrupt IRQF_NO_THREAD
Date: Thu, 23 Apr 2015 11:46:25 +0100 [thread overview]
Message-ID: <20150423104624.GD1652@arm.com> (raw)
In-Reply-To: <1429628755-22492-2-git-send-email-anders.roxell@linaro.org>
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 <bigeasy@linutronix.de>
> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
> ---
> arch/arm64/kernel/perf_event.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Will Deacon <will.deacon@arm.com>
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
>
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Anders Roxell <anders.roxell@linaro.org>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
"a.p.zijlstra@chello.nl" <a.p.zijlstra@chello.nl>,
"paulus@samba.org" <paulus@samba.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"acme@kernel.org" <acme@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"khilman@linaro.org" <khilman@linaro.org>,
"steve.capper@linaro.org" <steve.capper@linaro.org>
Subject: Re: [PATCH 1/2] arm64: Mark PMU interrupt IRQF_NO_THREAD
Date: Thu, 23 Apr 2015 11:46:25 +0100 [thread overview]
Message-ID: <20150423104624.GD1652@arm.com> (raw)
In-Reply-To: <1429628755-22492-2-git-send-email-anders.roxell@linaro.org>
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 <bigeasy@linutronix.de>
> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
> ---
> arch/arm64/kernel/perf_event.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Will Deacon <will.deacon@arm.com>
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
>
next prev parent reply other threads:[~2015-04-23 10:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-21 15:05 [PATCH 0/2] arm64: make it possible to enable threadirqs Anders Roxell
2015-04-21 15:05 ` Anders Roxell
2015-04-21 15:05 ` [PATCH 1/2] arm64: Mark PMU interrupt IRQF_NO_THREAD Anders Roxell
2015-04-21 15:05 ` Anders Roxell
2015-04-23 10:46 ` Will Deacon [this message]
2015-04-23 10:46 ` Will Deacon
2015-04-21 15:05 ` [PATCH 2/2] arm64: Allow forced irq threading Anders Roxell
2015-04-21 15:05 ` Anders Roxell
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