KVM: Avoid useless memory write when possible

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When writing to normal memory and the memory area is unchanged the write
can be safely skipped, avoiding the costly kvm_mmu_pte_write.

Signed-Off-By: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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Luca Tettamanti 2007-06-19 22:41:38 +02:00 • committed by Avi Kivity

parent 02c03a326a

commit a3c870bdce

1 changed files with 4 additions and 2 deletions

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6

drivers/kvm/kvm_main.c

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