Re: [PATCH v2 0/4] x86/bugs: Adjust SRSO mitigation to new features

Nikolay Borisov <nik.borisov@xxxxxxxx> · Tue, 3 Dec 2024 16:30:09 +0200

On 2.12.24 г. 14:04 ч., Borislav Petkov wrote:
From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>

Hi,

here's the next revision, with hopefully all review feedback addressed.

Changelog:
v1:

https://lore.kernel.org/r/20241104101543.31885-1-bp@xxxxxxxxxx

The series is pretty self-explanatory. So:

Reviewed-by: Nikolay Borisov <nik.borisov@xxxxxxxx>

Thx.

Borislav Petkov (AMD) (4):
   x86/bugs: Add SRSO_USER_KERNEL_NO support
   KVM: x86: Advertise SRSO_USER_KERNEL_NO to userspace
   x86/bugs: KVM: Add support for SRSO_MSR_FIX
   Documentation/kernel-parameters: Fix a typo in kvm.enable_virt_at_load
     text

  Documentation/admin-guide/hw-vuln/srso.rst      | 10 ++++++++++
  Documentation/admin-guide/kernel-parameters.txt |  2 +-
  arch/x86/include/asm/cpufeatures.h              |  2 ++
  arch/x86/include/asm/msr-index.h                |  1 +
  arch/x86/kernel/cpu/bugs.c                      | 16 +++++++++++++++-
  arch/x86/kernel/cpu/common.c                    |  1 +
  arch/x86/kvm/cpuid.c                            |  2 +-
  arch/x86/kvm/svm/svm.c                          |  6 ++++++
  arch/x86/lib/msr.c                              |  2 ++
  9 files changed, 39 insertions(+), 3 deletions(-)

base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37