Messages in this thread | | | Subject | Re: [RFC PATCH v2 07/19] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE_REG ioctls | From | Paolo Bonzini <> | Date | Mon, 5 Aug 2019 14:01:47 +0200 |
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On 05/08/19 13:56, Anup Patel wrote: > We will certainly explore sync_regs interface. Reducing exits to user-space > will definitely help.
sync_regs does not reduce exits to userspace, it reduces ioctls from userspace but there is a real benefit only if userspace actually makes many syscalls for each vmexit.
Paolo
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