linux-kernel - [GIT PULL] x86/fpu for v5.12

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Date:   Mon, 15 Feb 2021 12:52:14 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/fpu for v5.12

Hi Linus,

please pull an x86/fpu usage optimization and cleanups for v5.12.

Thx.

---

The following changes since commit 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04:

  Linux 5.11-rc5 (2021-01-24 16:47:14 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_fpu_for_v5.12

for you to fetch changes up to 0a74d61c7d842b583f33f74d7a9e93201826f4c5:

  x86/fpu/xstate: Use sizeof() instead of a constant (2021-01-29 12:33:17 +0100)

----------------------------------------------------------------
- Have 64-bit kernel code which uses 387 insns request a x87 init
(FNINIT) explicitly when using the FPU + cleanups.

----------------------------------------------------------------
Andy Lutomirski (2):
      x86/fpu: Make the EFI FPU calling convention explicit
      x86/fpu/64: Don't FNINIT in kernel_fpu_begin()

Yejune Deng (1):
      x86/fpu/xstate: Use sizeof() instead of a constant

 arch/x86/include/asm/efi.h     | 24 ++++++++++++++++++++----
 arch/x86/include/asm/fpu/api.h | 12 ++++++++++++
 arch/x86/kernel/fpu/xstate.c   |  4 ++--
 arch/x86/platform/efi/efi_64.c |  4 ++--
 4 files changed, 36 insertions(+), 8 deletions(-)

-- 
Regards/Gruss,
    Boris.

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