LoongArch: KVM: Discard dirty page tracking on readonly memslot

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For readonly memslot such as UEFI BIOS or UEFI var space, guest cannot
write this memory space directly. So it is not necessary to track dirty
pages for readonly memslot. Here we make such optimization in function
kvm_arch_commit_memory_region().

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

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Bibo Mao 2024-07-09 16:25:51 +08:00 • committed by Huacai Chen

parent 2f56f9ea4d

commit b072cbf023

1 changed files with 12 additions and 3 deletions

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arch/loongarch/kvm/mmu.c

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