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From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property
Date: Tue, 19 Jul 2016 17:23:20 +0100	[thread overview]
Message-ID: <20160719162319.GA23564@arm.com> (raw)
In-Reply-To: <1468939142-23693-1-git-send-email-marc.zyngier@arm.com>

On Tue, Jul 19, 2016 at 03:39:02PM +0100, Marc Zyngier wrote:
> Patch 19a469a58720 ("drivers/perf: arm-pmu: Handle per-interrupt
> affinity mask") added support for partitionned PPI setups, but
> inadvertently broke setups using SPIs without the "interrupt-affinity"
> property (which is the case for UP platforms).
> 
> This patch restore the broken functionnality by testing whether the
> interrupt is percpu or not instead of relying on the using_spi flag
> that really means "SPI *and* interrupt-affinity property".
> 
> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Fixes: 19a469a58720 ("drivers/perf: arm-pmu: Handle per-interrupt affinity mask")
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
>  drivers/perf/arm_pmu.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Thanks, looks good to me:

Acked-by: Will Deacon <will.deacon@arm.com>

Catalin, can you pick this up, please?

Will

  reply	other threads:[~2016-07-19 16:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-19 14:39 [PATCH] drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property Marc Zyngier
2016-07-19 16:23 ` Will Deacon [this message]
2016-08-26 17:11 ` Kevin Hilman
2016-08-30 17:27   ` Will Deacon

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