On Mon, Mar 10, 2025 at 8:24 AM Xiaoyao Li <xiaoyao.li@xxxxxxxxx> wrote: > > On 3/8/2025 5:20 AM, Paolo Bonzini wrote: > > From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> > > > > On exiting from the guest TD, xsave state is clobbered; restore it. > > I prefer the implementation as this patch, which is straightforward. > (I would be much better if the changelog can describe more) Ok: Do not use kvm_load_host_xsave_state(), as it relies on vcpu->arch to find out whether other KVM_RUN code has loaded guest state into XCR0/PKRU/XSS or not. In the case of TDX, the exit values are known independent of the guest CR0 and CR4, and in fact the latter are not available. Thanks! Paolo
