From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: make irq_stack_ptr more robust
Date: Fri, 12 Feb 2016 17:41:16 +0000 [thread overview]
Message-ID: <20160212174116.GI17901@arm.com> (raw)
In-Reply-To: <56BE18AB.4090902@linaro.org>
On Fri, Feb 12, 2016 at 09:38:51AM -0800, Shi, Yang wrote:
> On 2/12/2016 5:47 AM, James Morse wrote:
> >On 11/02/16 21:53, Yang Shi wrote:
> >>Switching between stacks is only valid if we are tracing ourselves while on the
> >>irq_stack, so it is only valid when in current and non-preemptible context,
> >>otherwise is is just zeroed off.
> >
> >Given it was picked up with CONFIG_DEBUG_PREEMPT:
> >
> >Fixes: 132cd887b5c5 ("arm64: Modify stack trace and dump for use with irq_stack")
>
> Wii add in v2.
I already queued the patch with this and the whitespace fix, so no need
for a v2.
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: "Shi, Yang" <yang.shi@linaro.org>
Cc: James Morse <james.morse@arm.com>,
catalin.marinas@arm.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linaro-kernel@lists.linaro.org
Subject: Re: [PATCH] arm64: make irq_stack_ptr more robust
Date: Fri, 12 Feb 2016 17:41:16 +0000 [thread overview]
Message-ID: <20160212174116.GI17901@arm.com> (raw)
In-Reply-To: <56BE18AB.4090902@linaro.org>
On Fri, Feb 12, 2016 at 09:38:51AM -0800, Shi, Yang wrote:
> On 2/12/2016 5:47 AM, James Morse wrote:
> >On 11/02/16 21:53, Yang Shi wrote:
> >>Switching between stacks is only valid if we are tracing ourselves while on the
> >>irq_stack, so it is only valid when in current and non-preemptible context,
> >>otherwise is is just zeroed off.
> >
> >Given it was picked up with CONFIG_DEBUG_PREEMPT:
> >
> >Fixes: 132cd887b5c5 ("arm64: Modify stack trace and dump for use with irq_stack")
>
> Wii add in v2.
I already queued the patch with this and the whitespace fix, so no need
for a v2.
Will
next prev parent reply other threads:[~2016-02-12 17:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-11 21:53 [PATCH] arm64: make irq_stack_ptr more robust Yang Shi
2016-02-11 21:53 ` Yang Shi
2016-02-12 13:47 ` James Morse
2016-02-12 13:47 ` James Morse
2016-02-12 17:38 ` Shi, Yang
2016-02-12 17:38 ` Shi, Yang
2016-02-12 17:41 ` Will Deacon [this message]
2016-02-12 17:41 ` Will Deacon
2016-02-12 17:43 ` Shi, Yang
2016-02-12 17:43 ` Shi, Yang
2016-02-12 17:52 ` Reinitiazling an arm machine without restarting the kernel or rebooting the machine Rudici Cazeao
2016-02-12 17:54 ` [PATCH] arm64: make irq_stack_ptr more robust Shi, Yang
2016-02-12 17:54 ` Shi, Yang
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