KVM: x86: Don't assume old/new memslots are non-NULL at memslot commit

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Play nice with a NULL @old or @new when handling memslot updates so that
common KVM can pass NULL for one or the other in CREATE and DELETE cases
instead of having to synthesize a dummy memslot.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Message-Id: <2eb7788adbdc2bc9a9c5f86844dd8ee5c8428732.1638817640.git.maciej.szmigiero@oracle.com>

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Sean Christopherson 2021-12-06 20:54:20 +01:00 • committed by Paolo Bonzini

parent 07921665a6

commit 77aedf26fe

1 changed files with 6 additions and 4 deletions

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arch/x86/kvm/x86.c

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