[GIT PULL] x86/FPU updates

From: Borislav Petkov
Date: Thu Feb 19 2015 - 03:40:57 EST

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(-)


ECO tip #101: Trim your mails when you reply.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/