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From: "Shi, Yang" <yang.shi@linaro.org>
To: Will Deacon <will.deacon@arm.com>
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 09:43:11 -0800	[thread overview]
Message-ID: <56BE19AF.7000605@linaro.org> (raw)
In-Reply-To: <20160212174116.GI17901@arm.com>

On 2/12/2016 9:41 AM, Will Deacon wrote:
> 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.

Thanks so much.

Yang

>
> Will
>

  reply	other threads:[~2016-02-12 17:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-11 21:53 [PATCH] arm64: make irq_stack_ptr more robust Yang Shi
2016-02-12 13:47 ` James Morse
2016-02-12 17:38   ` Shi, Yang
2016-02-12 17:41     ` Will Deacon
2016-02-12 17:43       ` Shi, Yang [this message]
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

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