Re: [PATCH v5 0/8] Generic IRQ entry/exit support for powerpc

[Mukesh Kumar Chaurasiya]

On Tue, Jun 23, 2026 at 01:11:55PM +0200, Michal Suchánek wrote:
> On Mon, Apr 27, 2026 at 05:57:34PM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:
> > Adding support for the generic irq entry/exit handling for PowerPC. The
> > goal is to bring PowerPC in line with other architectures that already
> > use the common irq entry infrastructure, reducing duplicated code and
> > making it easier to share future changes in entry/exit paths.
> > 
> 
> Hello,
> 
> applying these patches on top of Linux 6.12 causes seccomp to return
> different error (ENNOSYS instead of EPERM) causing some seccomp tests to
> fail.
> 
> A minimal reporoducer is
> 
> podman run --rm --security-opt seccomp=<(echo '{"defaultAction":"SCMP_ACT_ALLOW","syscalls":[{"names":["mkdir"],"action":"SCMP_ACT_ERRNO"}]}') docker.io/library/alpine mkdir /tmp/test
> 
> This should produce 'Operation not permitted' but produces
> 'Function not implemented'.
> 
> Can you have a look?
> 
> Thanks
> 
> Michal
> 
> See also https://bugzilla.suse.com/show_bug.cgi?id=1268620
>
Hey Michal,

Thanks for reporting this. I'll take a look at this.

Regards,
Mukesh