On 02.01.2025 09:45, Tu Dinh wrote: > Signed-off-by: Tu Dinh <ngoc-tu.d...@vates.tech>
This needs a non-empty description to clarify why this would be needed. Jan > --- a/xen/arch/x86/include/asm/domain.h > +++ b/xen/arch/x86/include/asm/domain.h > @@ -638,6 +638,7 @@ struct arch_vcpu > * #NM handler, we XRSTOR the states we XSAVE-ed; > */ > struct xsave_struct *xsave_area; > + unsigned int xsave_area_size; > uint64_t xcr0; > /* Accumulated eXtended features mask for using XSAVE/XRESTORE by Xen > * itself, as we can never know whether guest OS depends on content > diff --git a/xen/arch/x86/xstate.c b/xen/arch/x86/xstate.c > index af9e345a7a..baae8e1a13 100644 > --- a/xen/arch/x86/xstate.c > +++ b/xen/arch/x86/xstate.c > @@ -550,6 +550,7 @@ int xstate_alloc_save_area(struct vcpu *v) > save_area->fpu_sse.mxcsr = MXCSR_DEFAULT; > > v->arch.xsave_area = save_area; > + v->arch.xsave_area_size = size; > v->arch.xcr0 = 0; > v->arch.xcr0_accum = 0; >
