[GIT PULL] x86/fpu for v6.0

From: Borislav Petkov
Date: Mon Aug 01 2022 - 07:09:55 EST


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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