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KVM: Optimize overlapping memslots check
authorMaciej S. Szmigiero <maciej.szmigiero@oracle.com>
Mon, 6 Dec 2021 19:54:33 +0000 (20:54 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 8 Dec 2021 09:24:36 +0000 (04:24 -0500)
commit44401a204734ce837e0b36c8418af4fad6a21f95
treef8c914d6719e885f4170288ef45ba228305e9f69tree
parentf4209439b522432d140d33393d4a3f12e695527bcommit | diff
KVM: Optimize overlapping memslots check

Do a quick lookup for possibly overlapping gfns when creating or moving
a memslot instead of performing a linear scan of the whole memslot set.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
[sean: tweaked params to avoid churn in future cleanup]
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <a4795e5c2f624754e9c0aab023ebda1966feb3e1.1638817641.git.maciej.szmigiero@oracle.com>
virt/kvm/kvm_main.c diff | blob | history
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