Re: [PATCH 0/5] KVM: rseq: Fix and a test for a KVM+rseq bug

2021-09-22 Thread Paolo Bonzini
On 18/08/21 02:12, Sean Christopherson wrote: Patch 1 fixes a KVM+rseq bug where KVM's handling of TIF_NOTIFY_RESUME, e.g. for task migration, clears the flag without informing rseq and leads to stale data in userspace's rseq struct. Patch 2 is a cleanup to try and make future bugs less likely.

[PATCH 0/5] KVM: rseq: Fix and a test for a KVM+rseq bug

2021-08-17 Thread Sean Christopherson
Patch 1 fixes a KVM+rseq bug where KVM's handling of TIF_NOTIFY_RESUME, e.g. for task migration, clears the flag without informing rseq and leads to stale data in userspace's rseq struct. Patch 2 is a cleanup to try and make future bugs less likely. It's also a baby step towards moving and renami