[GIT PULL] x86/cpu for v5.17

[Borislav Petkov]

Hi Linus,

please pull two x86/cpu updates for 5.17.

Thx.

---

The following changes since commit 136057256686de39cc3a07c2e39ef6bc43003ff6:

  Linux 5.16-rc2 (2021-11-21 13:47:39 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_cpu_for_v5.17_rc1

for you to fetch changes up to 244122b4d2e5221e6abd6e21d6a58170104db781:

  x86/lib: Add fast-short-rep-movs check to copy_user_enhanced_fast_string() (2021-12-29 13:46:02 +0100)

----------------------------------------------------------------
- Enable the short string copies for CPUs which support them, in
copy_user_enhanced_fast_string()

- Avoid writing MSR_CSTAR on Intel due to TDX guests raising a #VE trap

----------------------------------------------------------------
Andi Kleen (1):
      x86/cpu: Don't write CSTAR MSR on Intel CPUs

Tony Luck (1):
      x86/lib: Add fast-short-rep-movs check to copy_user_enhanced_fast_string()

 arch/x86/kernel/cpu/common.c | 15 +++++++++++++--
 arch/x86/lib/copy_user_64.S  |  4 ++--
 2 files changed, 15 insertions(+), 4 deletions(-)

-- 
Regards/Gruss,
    Boris.

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