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X-powerpc-patch-notification: thanks
X-powerpc-patch-commit: 4ca360f3dbf2036d964cdf3a6c4a45a81fdf8e18
In-Reply-To: <1461061101-31196-1-git-send-email-kautuk.consul.1980@gmail.com>
To: Kautuk Consul <kautuk.consul.1980@gmail.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>, Anton Blanchard <anton@samba.org>,
        Cyril Bur <cyrilbur@gmail.com>, Michael Neuling <mikey@neuling.org>,
        Anshuman Khandual <khandual@linux.vnet.ibm.com>
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        Kautuk Consul <kautuk.consul.1980@gmail.com>
Subject: Re: [1/1] powerpc: get_wchan(): solve possible race scenario due to parallel wakeup
Message-Id: <3y8xjb4YPnz9t4R@ozlabs.org>
Date: Sun,  8 Oct 2017 19:43:31 +1100 (AEDT)
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On Tue, 2016-04-19 at 10:18:21 UTC, Kautuk Consul wrote:
> Add a check for p->state == TASK_RUNNING so that any wake-ups on
> task_struct p in the interim lead to 0 being returned by get_wchan().
> 
> Signed-off-by: Kautuk Consul <kautuk.consul.1980@gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/4ca360f3dbf2036d964cdf3a6c4a45

cheers