LoongArch: KVM: Implement function kvm_para_has_feature()

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Implement function kvm_para_has_feature() to detect supported paravirt
features. It can be used by device driver to detect and enable paravirt
features, such as the EIOINTC irqchip driver is able to detect feature
KVM_FEATURE_VIRT_EXTIOI and do some optimization.

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

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Bibo Mao 2024-09-12 22:56:14 +08:00 • committed by Huacai Chen

parent cdc118f802

commit 3abb708ec0

2 changed files with 27 additions and 15 deletions

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10

arch/loongarch/include/asm/kvm_para.h

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32

arch/loongarch/kernel/paravirt.c

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