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SubjectRe: [PATCH v18 1/3] proc: add /proc/<pid>/arch_status
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On 2019/5/24 11:18, Andrew Morton wrote:
> On Thu, 25 Apr 2019 22:32:17 +0800 Aubrey Li <aubrey.li@linux.intel.com> wrote:
>
>> The architecture specific information of the running processes
>> could be useful to the userland. Add /proc/<pid>/arch_status
>> interface support to examine process architecture specific
>> information externally.
>
> I'll give this an
>
> Acked-by: Andrew Morton <akpm@linux-foundation.org>

Thanks!

>
> from a procfs POV and shall let the x86 maintainers worry about it.
>
> I must say I'm a bit surprised that we don't already provide some form
> of per-process CPU-specific info anywhere in procfs. Something to
> piggy-back this onto. But I can't find such a thing.
>
> I assume we've already discussed why this is a new procfs file rather
> than merely a new line in /proc/<pid>/status. If so, please add the
> reasoning to the changelog. If not, please discuss now ;)
>

Andy and Thomas may want to give more comments. The discussion was that
we don't want /proc/PID/status to be different on different architectures.
It would be better to separate the arch staff into its own file /proc/PID/
arch_status and make sure that everything in it is namespaced.

Thanks,
-Aubrey

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