[xen staging] x86/hvm: Map/unmap xsave area in hvm_save_cpu_ctxt()

[patchbot@xxxxxxx]

commit 9004cc229a911dca9519ecf0a517ad37ce9ba8d0
Author:     Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
AuthorDate: Wed Mar 5 16:35:04 2025 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Mar 5 16:35:04 2025 +0100

    x86/hvm: Map/unmap xsave area in hvm_save_cpu_ctxt()
    
    No functional change.
    
    Signed-off-by: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/hvm/hvm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 4851e2e150..969e43c2f2 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -913,11 +913,11 @@ static int cf_check hvm_save_cpu_ctxt(struct vcpu *v, 
hvm_domain_context_t *h)
 
     if ( v->fpu_initialised )
     {
-        BUILD_BUG_ON(sizeof(ctxt.fpu_regs) !=
-                     sizeof(v->arch.xsave_area->fpu_sse));
-        memcpy(ctxt.fpu_regs, &v->arch.xsave_area->fpu_sse,
-               sizeof(ctxt.fpu_regs));
+        const struct xsave_struct *xsave_area = VCPU_MAP_XSAVE_AREA(v);
 
+        BUILD_BUG_ON(sizeof(ctxt.fpu_regs) != sizeof(xsave_area->fpu_sse));
+        memcpy(ctxt.fpu_regs, &xsave_area->fpu_sse, sizeof(ctxt.fpu_regs));
+        VCPU_UNMAP_XSAVE_AREA(v, xsave_area);
         ctxt.flags = XEN_X86_FPU_INITIALISED;
     }
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging