KVM: x86: fix broken read emulation spans a page boundary

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If the range spans a page boundary, the mmio access can be broke, fix it as
write emulation.

And we already get the guest physical address, so use it to read guest data
directly to avoid walking guest page table again

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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Xiao Guangrong 2011-07-13 14:31:08 +08:00 • committed by Avi Kivity

parent 9be3be1f15

commit ca7d58f375

1 changed files with 31 additions and 8 deletions

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arch/x86/kvm/x86.c

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