[svsm-devel] SVSM Host Kernel KVM Update Required

Gupta, Pankaj pankaj.gupta at amd.com
Wed Mar 12 10:48:17 CET 2025


>> As some of you already noticed there is a regression with the current
>> SVSM tree, as it does not boot the SVSM-kernel anymore on KVM with
>> SEV-SNP hardware. The problem was in our host kernel, for which I just
>> merged a fix. So please update your host environments with the updated
>> kernel if you experience this problem.
>>
>> The reason for the breakage was a PR to unconditionally compile in the
>> shadow-stack code in all builds and do detection at runtime.
> 
> Would you mind sharing the #PR? Now, I am wondering why I did not notice 
> any no boot scenario at all.

I think i got it.

"cpu: compile for shadow stack support by default (PR #630)"

Thanks,
Pankaj



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