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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Daniel Thompson <daniel.thompson@linaro.org>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, patches@linaro.org,
	linaro-kernel@lists.linaro.org,
	John Stultz <john.stultz@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH 3.17-rc4 v6 2/6] arm: fiq: Replace default FIQ handler
Date: Tue, 16 Sep 2014 16:57:38 +0100	[thread overview]
Message-ID: <20140916155738.GI12361@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <54176F7C.6030908@linaro.org>

On Tue, Sep 16, 2014 at 12:00:12AM +0100, Daniel Thompson wrote:
> On 14/09/14 12:57, Daniel Thompson wrote:
> > This patch introduces a new default FIQ handler that is structured in a
> > similar way to the existing ARM exception handler and result in the FIQ
> > being handled by C code running on the SVC stack (despite this code run
> > in the FIQ handler is subject to severe limitations with respect to
> > locking making normal interaction with the kernel impossible).
> > 
> > This default handler allows concepts that on x86 would be handled using
> > NMIs to be realized on ARM.
> > 
> > Credit:
> > 
> >     This patch is a near complete re-write of a patch originally
> >     provided by Anton Vorontsov. Today only a couple of small fragments
> >     survive, however without Anton's work to build from this patch would
> >     not exist. Thanks also to Russell King for spoonfeeding me a variety
> >     of fixes during the review cycle.
> 
> I've send this patch to the your patch tracker as complete respin (#8150/2).
> 
> If you'd rather handle it as a follow on patch please let me know and I
> will prepare it as one.

Thanks, as you will see, I've merged this patch, along with my two
patches, one removing do_unexp_fiq() and the newline removal in
show_regs().  They should be appearing in a linux-next rsn.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.

WARNING: multiple messages have this Message-ID (diff)
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3.17-rc4 v6 2/6] arm: fiq: Replace default FIQ handler
Date: Tue, 16 Sep 2014 16:57:38 +0100	[thread overview]
Message-ID: <20140916155738.GI12361@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <54176F7C.6030908@linaro.org>

On Tue, Sep 16, 2014 at 12:00:12AM +0100, Daniel Thompson wrote:
> On 14/09/14 12:57, Daniel Thompson wrote:
> > This patch introduces a new default FIQ handler that is structured in a
> > similar way to the existing ARM exception handler and result in the FIQ
> > being handled by C code running on the SVC stack (despite this code run
> > in the FIQ handler is subject to severe limitations with respect to
> > locking making normal interaction with the kernel impossible).
> > 
> > This default handler allows concepts that on x86 would be handled using
> > NMIs to be realized on ARM.
> > 
> > Credit:
> > 
> >     This patch is a near complete re-write of a patch originally
> >     provided by Anton Vorontsov. Today only a couple of small fragments
> >     survive, however without Anton's work to build from this patch would
> >     not exist. Thanks also to Russell King for spoonfeeding me a variety
> >     of fixes during the review cycle.
> 
> I've send this patch to the your patch tracker as complete respin (#8150/2).
> 
> If you'd rather handle it as a follow on patch please let me know and I
> will prepare it as one.

Thanks, as you will see, I've merged this patch, along with my two
patches, one removing do_unexp_fiq() and the newline removal in
show_regs().  They should be appearing in a linux-next rsn.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.

  reply	other threads:[~2014-09-16 15:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-14 11:57 [PATCH 3.17-rc4 v6 0/6] arm: Implement arch_trigger_all_cpu_backtrace Daniel Thompson
2014-09-14 11:57 ` Daniel Thompson
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 1/6] ARM: remove unused do_unexp_fiq() function Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 2/6] arm: fiq: Replace default FIQ handler Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson
2014-09-15 23:00   ` Daniel Thompson
2014-09-15 23:00     ` Daniel Thompson
2014-09-16 15:57     ` Russell King - ARM Linux [this message]
2014-09-16 15:57       ` Russell King - ARM Linux
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 3/6] arm64: Introduce dummy version of asm/fiq.h Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 4/6] irqchip: gic: Add support for IPI FIQ Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 5/6] ARM: add basic support for on-demand backtrace of other CPUs Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson
2014-09-14 11:57 ` [PATCH 3.17-rc4 v6 6/6] arm: smp: Handle ipi_cpu_backtrace() using FIQ (if available) Daniel Thompson
2014-09-14 11:57   ` Daniel Thompson

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