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Date:   Sun,  8 Oct 2017 19:43:31 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Kautuk Consul <kautuk.consul.1980@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Anton Blanchard <anton@...ba.org>,
        Cyril Bur <cyrilbur@...il.com>,
        Michael Neuling <mikey@...ling.org>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Kautuk Consul <kautuk.consul.1980@...il.com>
Subject: Re: [1/1] powerpc: get_wchan(): solve possible race scenario due to parallel wakeup

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@...il.com>

Applied to powerpc next, thanks.

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

cheers

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