KVM: MMU: skip global pgtables on sync due to cr3 switch

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Skip syncing global pages on cr3 switch (but not on cr4/cr0). This is
important for Linux 32-bit guests with PAE, where the kmap page is
marked as global.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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Marcelo Tosatti 2008-12-01 22:32:04 -02:00 • committed by Avi Kivity

parent b1a368218a

commit 6cffe8ca4a

4 changed files with 63 additions and 10 deletions

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6

arch/x86/include/asm/kvm_host.h

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53

arch/x86/kvm/mmu.c

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10

arch/x86/kvm/paging_tmpl.h

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4

arch/x86/kvm/x86.c

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