Messages in this thread | | | Date | Mon, 10 Jan 2022 12:16:39 +0100 | From | Borislav Petkov <> | Subject | [GIT PULL] x86/cpu for v5.17 |
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Hi Linus,
please pull two x86/cpu updates for 5.17.
Thx.
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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.
SUSE Software Solutions Germany GmbH, GF: Ivo Totev, HRB 36809, AG Nürnberg
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