On Fri, Feb 21, 2025 at 02:20:02PM +0000, Patrick Bellasi wrote:
> commit 318e8c339c9a0891c389298bb328ed0762a9935e upstream.
>
> In [1] the meaning of the synthetic IBPB flags has been redefined for a
> better separation of concerns:
> - ENTRY_IBPB -- issue IBPB on entry only
> - IBPB_ON_VMEXIT -- issue IBPB on VM-Exit only
> and the Retbleed mitigations have been updated to match this new
> semantics.
All 4 backports by Patrick:
Feb 21 Patrick Bellasi ( : 148|) [PATCH 6.6] x86/cpu/kvm: SRSO: Fix possible missing IBPB on VM-Exit
Feb 21 Patrick Bellasi ( : 147|) [PATCH 6.1] x86/cpu/kvm: SRSO: Fix possible missing IBPB on VM-Exit
Feb 21 Patrick Bellasi ( : 147|) [PATCH 5.15] x86/cpu/kvm: SRSO: Fix possible missing IBPB on VM-Exit
Feb 21 Patrick Bellasi ( : 147|) [PATCH 5.10] x86/cpu/kvm: SRSO: Fix possible missing IBPB on VM-Exit
LGTM.
Thanks!
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
