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SubjectRe: [PATCH AUTOSEL 5.14 19/25] connector: send event on write to /proc/[pid]/comm
On Wed, Sep 15, 2021 at 08:45:37AM -0500, Eric W. Biederman wrote:
>Sasha Levin <sashal@kernel.org> writes:
>
>> From: Ohhoon Kwon <ohoono.kwon@samsung.com>
>>
>> [ Upstream commit c2f273ebd89a79ed87ef1025753343e327b99ac9 ]
>>
>> While comm change event via prctl has been reported to proc connector by
>> 'commit f786ecba4158 ("connector: add comm change event report to proc
>> connector")', connector listeners were missing comm changes by explicit
>> writes on /proc/[pid]/comm.
>>
>> Let explicit writes on /proc/[pid]/comm report to proc connector.
>
>This is a potential userspace ABI breakage? Why backport it?
>
>Especially if there is no one asking for the behavior change in
>userspace?

This sounds like a concern with the patch going upstream rather than
going to stable? stable has the same policy around ABI changes such as
upstream.

--
Thanks,
Sasha

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