Messages in this thread | | | Subject | Re: [PATCH 3/4] KVM: x86: kvm_hv_flush_tlb use inputs from XMM registers | From | Paolo Bonzini <> | Date | Thu, 8 Apr 2021 14:37:45 +0200 |
| |
On 08/04/21 14:01, Vitaly Kuznetsov wrote: > > Also, we can probably defer kvm_hv_hypercall_read_xmm() until we know > how many regs we actually need to not read them all (we will always > need xmm[0] I guess so we can as well read it here).
The cost is get/put FPU, so I think there's not much to gain from that.
Paolo
| |