From: larry.bassel@linaro.org (Larry Bassel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Support arch_irq_work_raise() via self IPIs
Date: Sat, 10 May 2014 14:42:12 -0700 [thread overview]
Message-ID: <20140510214212.GA26308@ubuette> (raw)
In-Reply-To: <20140509155726.GK7950@arm.com>
On 09 May 14 16:57, Catalin Marinas wrote:
> On Mon, May 05, 2014 at 09:48:27PM +0100, Larry Bassel wrote:
> > Support for arch_irq_work_raise() was missing from
> > arm64 (a prerequisite for FULL_NOHZ).
> >
> > This patch is based on the arm32 patch ARM 7872/1
> > which ports cleanly.
> [...]
> > +#ifdef CONFIG_IRQ_WORK
> > +void arch_irq_work_raise(void)
> > +{
> > + smp_cross_call(cpumask_of(smp_processor_id()), IPI_IRQ_WORK);
> > +}
> > +#endif
>
> There was a subsequent patch adding is_smp() check here (c682e51dbc98
> ARM: 7887/1: Don't smp_cross_call() on UP devices in
> arch_irq_work_raise()). Don't we need it?
I will look into this. Thanks.
>
> --
> Catalin
Larry
WARNING: multiple messages have this Message-ID (diff)
From: Larry Bassel <larry.bassel@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Larry Bassel <larry.bassel@linaro.org>,
Will Deacon <Will.Deacon@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
"khilman@linaro.org" <khilman@linaro.org>
Subject: Re: [PATCH] arm64: Support arch_irq_work_raise() via self IPIs
Date: Sat, 10 May 2014 14:42:12 -0700 [thread overview]
Message-ID: <20140510214212.GA26308@ubuette> (raw)
In-Reply-To: <20140509155726.GK7950@arm.com>
On 09 May 14 16:57, Catalin Marinas wrote:
> On Mon, May 05, 2014 at 09:48:27PM +0100, Larry Bassel wrote:
> > Support for arch_irq_work_raise() was missing from
> > arm64 (a prerequisite for FULL_NOHZ).
> >
> > This patch is based on the arm32 patch ARM 7872/1
> > which ports cleanly.
> [...]
> > +#ifdef CONFIG_IRQ_WORK
> > +void arch_irq_work_raise(void)
> > +{
> > + smp_cross_call(cpumask_of(smp_processor_id()), IPI_IRQ_WORK);
> > +}
> > +#endif
>
> There was a subsequent patch adding is_smp() check here (c682e51dbc98
> ARM: 7887/1: Don't smp_cross_call() on UP devices in
> arch_irq_work_raise()). Don't we need it?
I will look into this. Thanks.
>
> --
> Catalin
Larry
next prev parent reply other threads:[~2014-05-10 21:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 20:48 [PATCH] arm64: Support arch_irq_work_raise() via self IPIs Larry Bassel
2014-05-05 20:48 ` Larry Bassel
2014-05-06 12:30 ` Will Deacon
2014-05-06 12:30 ` Will Deacon
2014-05-09 15:57 ` Catalin Marinas
2014-05-09 15:57 ` Catalin Marinas
2014-05-10 21:42 ` Larry Bassel [this message]
2014-05-10 21:42 ` Larry Bassel
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