# Re: \[PATCH V4\] powerpc: add little endian flag to syscall\_get\_arch()

- From: Michael Ellerman \<hidden\>
- Date: 2014-12-10 02:20:19 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2014/12/4392272
- Thread: https://ratatoskr.run/linuxppc-dev/2014/12/4392077/t.md

```text
On Tue, 2014-12-09 at 21:11 -0500, Paul Moore wrote:
> On Tuesday, December 09, 2014 03:37:07 PM Richard Guy Briggs wrote:
> > Since both ppc and ppc64 have LE variants which are now reported by uname,
> > add that flag (__AUDIT_ARCH_LE) to syscall_get_arch() and add
> > AUDIT_ARCH_PPC64LE variant.
> > 
> > Without this,  perf trace and auditctl fail.
> > 
> > Mainline kernel reports ppc64le (per a058801) but there is no matching
> > AUDIT_ARCH_PPC64LE.
> > 
> > Since 32-bit PPC LE is not supported by audit, don't advertise it in
> > AUDIT_ARCH_PPC* variants.
> > 
> > See:
> > 	https://www.redhat.com/archives/linux-audit/2014-August/msg00082.html
> > 	https://www.redhat.com/archives/linux-audit/2014-December/msg00004.html
> > 
> > Signed-off-by: Richard Guy Briggs <redacted>
> > ---
> >  arch/powerpc/include/asm/syscall.h |    6 +++++-
> >  include/uapi/linux/audit.h         |    2 ++
> >  2 files changed, 7 insertions(+), 1 deletions(-)
> 
> The audit changes look fine to me, but as I mentioned earlier, this should go 
> in via the ppc tree and not the audit tree.
> 
> Acked-by: Paul Moore <redacted>

Thanks.

Yep I'll take it via the powerpc tree, I'll CC stable as well as presumably we
want this to work in all versions that had LE support.

cheers
```