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| author | Maciej S. Szmigiero <maciej.szmigiero@oracle.com> | 2021-12-06 20:54:09 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-12-08 04:24:18 -0500 |
| commit | 4e4d30cb9b8740e178731406aa28b96f12c6edbd (patch) | |
| tree | 3eefa59d61b04d4c497146d1dda62004273279be /arch/powerpc/kvm/powerpc.c | |
| parent | 47ea7d900b1cc66ec7a35a8b173ed16b01f9781b (diff) | |
KVM: Resync only arch fields when slots_arch_lock gets reacquired
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]
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <b63035d114707792e9042f074478337f770dff6a.1638817638.git.maciej.szmigiero@oracle.com>
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
0 files changed, 0 insertions, 0 deletions