ACK: [SRU][o/n:linux-azure][PATCH 0/1 v2] Revert fix for "Kernel fails to enable XSAVE when running in a “v5” AMD SEV-SNP VM"

[Thibault Ferrante]

Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>


On 06-09-2024 19:43, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2079841
> 
> SRU Justification
> 
> [Impact]
> 
> * LP #2069204 disabled CET Shadow Stack on SEV-SNP due to CPUID emulation bug not being fixed in VMs until October 2024.
> * This issue is now fixed, so the patch can be reverted.
> 
> [Fix]
> 
> * Revert "UBUNTU: SAUCE: x86/hyperv: temporarily disable CET SS on SEV-SNP due to a paravisor bug"
> 
> [Test Plan]
> 
> * Compile tested
> * Boot tested
> 
> [Regression potential]
> 
> * Reverting back to previous state, so regression very unlikely.
> * Changes isolated, minimal regression risk
> 
> [Other info]
> 
> * SF #00387447
> 
> John Cabaj (1):
>    Revert "UBUNTU: SAUCE: x86/hyperv: temporarily disable CET SS on
>      SEV-SNP due to a paravisor bug"
> 
>   arch/x86/kernel/cpu/mshyperv.c | 21 ---------------------
>   1 file changed, 21 deletions(-)
> 


-- 
--
Thibault