KVM: x86/mmu: Allow zap gfn range to operate under the mmu read lock

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To reduce lock contention and interference with page fault handlers,
allow the TDP MMU function to zap a GFN range to operate under the MMU
read lock.

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-10-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

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Ben Gardon 2021-04-01 16:37:32 -07:00 • committed by Paolo Bonzini

parent c0e64238ac

commit 6103bc0740

3 changed files with 101 additions and 45 deletions

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22

arch/x86/kvm/mmu/mmu.c

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110

arch/x86/kvm/mmu/tdp_mmu.c

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14

arch/x86/kvm/mmu/tdp_mmu.h

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