Re: [GIT PULL] x86/FPU updates

From: Ingo Molnar
Date: Thu Feb 19 2015 - 05:20:57 EST



* Borislav Petkov <bp@xxxxxxxxx> wrote:

> Hi guys,
>
> please pull, thanks.
>
> ---
> The following changes since commit bfa76d49576599a4b9f9b7a71f23d73d6dcff735:
>
> Linux 3.19 (2015-02-08 18:54:22 -0800)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tags/tip_x86_fpu
>
> for you to fetch changes up to b8938491e4fcc668cf803de1bf4c224b3fa6a0ad:
>
> x86, fpu: Also check fpu_lazy_restore when use_eager_fpu (2015-02-17 18:58:34 +0100)
>
> ----------------------------------------------------------------
> A round of updates to the FPU maze from Oleg and Rik. It should make the
> code a bit more understandable/readable/streamlined and a preparation
> for more cleanups and improvements in that area.
>
> ----------------------------------------------------------------
> Oleg Nesterov (3):
> x86, fpu, unlazy_fpu: Don't reset thread.fpu_counter
> x86, fpu: unlazy_fpu: don't do __thread_fpu_end() if use_eager_fpu()
> x86, fpu: Kill save_init_fpu(), change math_error() to use unlazy_fpu()
>
> Rik van Riel (5):
> x86, fpu: Move lazy restore functions up a few lines
> x86, fpu: Introduce task_disable_lazy_fpu_restore helper
> x86, fpu: Use an explicit if/else in switch_fpu_prepare
> x86, fpu: Use task_disable_lazy_fpu_restore() helper
> x86, fpu: Also check fpu_lazy_restore when use_eager_fpu
>
> arch/x86/include/asm/fpu-internal.h | 82 ++++++++++++++++++-------------------
> arch/x86/kernel/i387.c | 13 +++---
> arch/x86/kernel/process.c | 2 +-
> arch/x86/kernel/traps.c | 2 +-
> 4 files changed, 49 insertions(+), 50 deletions(-)

Pulled into tip:x86/fpu, thanks a lot!

Ingo
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