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Date:   Mon, 18 Nov 2019 22:09:58 +0000
From:   Luis Chamberlain <>
To:     Alan Maguire <>
Cc:,,,,,,,,,,,,,,,,,,,,,, Knut Omang <>
Subject: Re: [PATCH v4 linux-kselftest-test 4/6] kunit: remove timeout
 dependence on sysctl_hung_task_timeout_seconds

On Fri, Nov 15, 2019 at 10:16:10AM +0000, Alan Maguire wrote:
> In discussion of how to handle timeouts, it was noted that if
> sysctl_hung_task_timeout_seconds is exceeded for a kunit test,
> the test task will be killed and an oops generated.  This should
> suffice as a means of debugging such timeout issues for now.
> Hence remove use of sysctl_hung_task_timeout_secs, which has the
> added benefit of avoiding the need to export that symbol from
> the core kernel.
> Signed-off-by: Alan Maguire <>
> Signed-off-by: Knut Omang <>

This seems like a workaround for sysctl_hung_task_timeout_secs not being
exported. If true, this can be addressed by creating a symbol namespace
(new) and using that namespace on this path.


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