| Date | Wed, 1 Dec 2021 01:07:56 +0000 | From | Sean Christopherson <> | Subject | Re: [PATCH v6 03/29] KVM: Resync only arch fields when slots_arch_lock gets reacquired |
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On Tue, Nov 30, 2021, Maciej S. Szmigiero wrote: > From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com> > > There is no need to copy the whole memslot data after releasing > slots_arch_lock for a moment to install temporary memslots copy in > kvm_set_memslot() since this lock only protects the arch field of each > memslot. > > Just resync this particular field after reacquiring slots_arch_lock. > > Note, this also eliminates the need to manually clear the INVALID flag > when restoring memslots; the "setting" of the INVALID flag was an > unwanted side effect of copying the entire memslots. > > Since kvm_copy_memslots() has just one caller remaining now > open-code it instead. > > Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com> > [sean: tweak shortlog, note INVALID flag in changelog, revert comment] > Signed-off-by: Sean Christopherson <seanjc@google.com>
Heh, I think you can drop my SoB? This is new territory for me, I don't know the rules for this particular situation.
Reviewed-by: Sean Christopherson <seanjc@google.com>
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