linux-kernel - [GIT PULL] x86/fpu for v6.0

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Date:   Mon, 1 Aug 2022 13:09:45 +0200
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 v6.0

Hi Linus,

please pull an idle improvement for AMX-capable CPUs, for 6.0.

Thx.

---

The following changes since commit ff6992735ade75aae3e35d16b17da1008d753d28:

  Linux 5.19-rc7 (2022-07-17 13:30:22 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_fpu_for_v6.0_rc1

for you to fetch changes up to 9f01129382774d98ec21526f13da26a0630ee3d8:

  intel_idle: Add a new flag to initialize the AMX state (2022-07-19 19:17:28 +0200)

----------------------------------------------------------------
- Add machinery to initialize AMX register state in order for CPUs to
be able to enter deeper low-power state

----------------------------------------------------------------
Chang S. Bae (2):
      x86/fpu: Add a helper to prepare AMX state for low-power CPU idle
      intel_idle: Add a new flag to initialize the AMX state

 arch/x86/include/asm/fpu/api.h       |  2 ++
 arch/x86/include/asm/special_insns.h |  9 +++++++++
 arch/x86/kernel/fpu/core.c           | 14 ++++++++++++++
 drivers/idle/intel_idle.c            | 25 +++++++++++++++++++++++--
 4 files changed, 48 insertions(+), 2 deletions(-)

-- 
Regards/Gruss,
    Boris.

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