linux-kernel - Re: [PATCH V4] powerpc: add little endian flag to syscall_get

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Date:	Wed, 10 Dec 2014 13:20:15 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Paul Moore <pmoore@...hat.com>
Cc:	Richard Guy Briggs <rgb@...hat.com>, linux-audit@...hat.com,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, anton@...ba.org, sgrubb@...hat.com,
	eparis@...isplace.org, tonyj@...e.de
Subject: Re: [PATCH V4] powerpc: add little endian flag to syscall_get_arch()

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 <rgb@...hat.com>
> > ---
> >  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 <paul@...l-moore.com>

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


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