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SubjectRe: [PATCH 04/16] MIPS: use struct mips_abi offsets to save FP context
On Sat, Jul 18, 2015 at 08:21:53PM -0400, Paul Gortmaker wrote:
> Date: Sat, 18 Jul 2015 20:21:53 -0400
> From: Paul Gortmaker <paul.gortmaker@windriver.com>
> To: Paul Burton <paul.burton@imgtec.com>
> Cc: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>, Matthew
> Fortune <matthew.fortune@imgtec.com>, Leonid Yegoshin
> <Leonid.Yegoshin@imgtec.com>, Michael Ellerman <mpe@ellerman.id.au>, LKML
> <linux-kernel@vger.kernel.org>, Richard Weinberger <richard@nod.at>, James
> Hogan <james.hogan@imgtec.com>, Andy Lutomirski <luto@amacapital.net>,
> Markos Chandras <markos.chandras@imgtec.com>, Ralf Baechle
> <ralf@linux-mips.org>, Manuel Lauss <manuel.lauss@gmail.com>, "Maciej W.
> Rozycki" <macro@codesourcery.com>, "linux-next@vger.kernel.org"
> <linux-next@vger.kernel.org>
> Subject: Re: [PATCH 04/16] MIPS: use struct mips_abi offsets to save FP
> context
> Content-Type: text/plain; charset=UTF-8
>
> On Fri, Jul 10, 2015 at 11:00 AM, Paul Burton <paul.burton@imgtec.com> wrote:
> > When saving FP state to struct sigcontext, make use of the offsets
> > provided by struct mips_abi to obtain appropriate addresses for the
> > sc_fpregs & sc_fpc_csr fields of the sigcontext. This is done only for
> > the native struct sigcontext in this patch (ie. for O32 in CONFIG_32BIT
> > kernels or for N64 in CONFIG_64BIT kernels) but is done in preparation
> > for sharing this code with compat ABIs in further patches.
> >
> > Signed-off-by: Paul Burton <paul.burton@imgtec.com>
> > ---
> >
> > arch/mips/kernel/r4k_fpu.S | 151 +++++++++++++++++++++------------------
> > arch/mips/kernel/signal-common.h | 6 ++
> > arch/mips/kernel/signal.c | 85 +++++++++++++++-------
> > 3 files changed, 145 insertions(+), 97 deletions(-)
> >
>
> The current version of this in linux-next picked up a booger in transit.
>
> $ git show 6775b4ea74d5922e5310b7b7a902a8fbe61a0c9d|diffstat
> arch/mips/kernel/r4k_fpu.S | 151 ++++++++++++++++++++-------------------
> arch/mips/kernel/signal-common.h | 6 +
> arch/mips/kernel/signal.c | 85 ++++++++++++++-------
> index.html | 16 ++++
> 4 files changed, 161 insertions(+), 97 deletions(-)
>
> Guessing it happened at Ralf's end.

Yes and I fixed a few hours ago. Should be ok in the next -next.

Ralf


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