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LoongArch: KVM: Move host CSR_EENTRY save and restore in context switch
CSR register LOONGARCH_CSR_EENTRY is shared between host CPU and guest vCPU, KVM need save and restore LOONGARCH_CSR_EENTRY register. Here move LOONGARCH_CSR_EENTRY saving in to context switch function rather than VM entry. At most time VM enter/exit is much more frequent than vCPU thread context switch. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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