Re: [PATCH v13 1/3] /proc/pid/status: Add support for architecture specific output

From: Andy Lutomirski
Date: Sun Apr 07 2019 - 13:39:03 EST


On Fri, Apr 5, 2019 at 12:32 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> On Sun, 24 Feb 2019, Aubrey Li wrote:
>
> > The architecture specific information of the running processes could
> > be useful to the userland. Add support to examine process architecture
> > specific information externally.
> >
> > Signed-off-by: Aubrey Li <aubrey.li@xxxxxxxxxxxxxxx>
> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> > Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> > Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
> > Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
> > Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
>
> This really lacks
>
> Cc: Linux API <linux-api@xxxxxxxxxxxxxxx>
> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>
> Cc'ed now.
>

I certainly understand why you want to expose this info, but would it
make more sense to instead add an arch_status file in /proc with
architecture-specific info? Or maybe an x86_status field for x86
status, etc.