[GIT PULL] x86/sev for v6.19-rc1

From: Borislav Petkov
Date: Mon Dec 01 2025 - 11:25:28 EST


Hi Linus,

please pull the x86/sev lineup for v6.19-rc1.

Thx.

---

The following changes since commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa:

Linux 6.18-rc3 (2025-10-26 15:59:49 -0700)

are available in the Git repository at:

ssh://git@xxxxxxxxxxxxxxxxxxx/pub/scm/linux/kernel/git/tip/tip tags/x86_sev_for_v6.19_rc1

for you to fetch changes up to 73029e73ccd07b64905f441d4f474a9bb91e7027:

x86/cc: Fix enum spelling to fix kernel-doc warnings (2025-11-25 09:17:13 +0100)

----------------------------------------------------------------
- Largely cleanups along with a change to save XSS to the GHCB (Guest-Host
Communication Block) in SEV-ES guests so that the hypervisor can determine
the guest's XSAVES buffer size properly and thus support shadow stacks in
AMD confidential guests

----------------------------------------------------------------
Ard Biesheuvel (1):
x86/boot: Drop unused sev_enable() fallback

Borislav Petkov (AMD) (1):
x86/coco/sev: Convert has_cpuflag() to use cpu_feature_enabled()

John Allen (2):
x86/boot: Move boot_*msr helpers to asm/shared/msr.h
x86/sev: Include XSS value in GHCB CPUID request

Randy Dunlap (1):
x86/cc: Fix enum spelling to fix kernel-doc warnings

arch/x86/boot/compressed/misc.h | 11 -----------
arch/x86/boot/compressed/sev.c | 7 ++++---
arch/x86/boot/compressed/sev.h | 6 +++---
arch/x86/boot/cpucheck.c | 16 ++++++++--------
arch/x86/boot/msr.h | 26 --------------------------
arch/x86/boot/startup/sev-shared.c | 2 +-
arch/x86/coco/sev/vc-handle.c | 1 -
arch/x86/coco/sev/vc-shared.c | 11 +++++++++++
arch/x86/include/asm/shared/msr.h | 15 +++++++++++++++
arch/x86/include/asm/svm.h | 1 +
arch/x86/lib/kaslr.c | 2 +-
include/linux/cc_platform.h | 2 +-
12 files changed, 45 insertions(+), 55 deletions(-)
delete mode 100644 arch/x86/boot/msr.h


--
Regards/Gruss,
Boris.

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