Re: [PATCH v7 12/14] KVM: s390: Fix ordering when adding to SCA
[email protected] Fri, 31 Jul 2026 13:21:32 +0000
| Newsgroups | org.kernel.vger.linux-s390,org.kernel.vger.kvm |
|---|---|
| Message-ID | <[email protected]> |
> When adding a new vCPU to the SCA area, the validity bit in the MCN was
> set before the pointer to the state description, potentially allowing
> for a race.
>
> Fix by setting the pointer before setting the bit.
>
> Fixes: 14542a0a54c5 ("KVM: S390: Remove sca_lock")
> Signed-off-by: Claudio Imbrenda <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review ยท https://sashiko.dev/#/patchset/[email protected]?part=12