x86-64: fix restoring of hypercall arguments after trace callout

Signed-off-by: Jan Beulich <jbeulich@novell.com>

diff --git a/xen/arch/x86/x86_64/entry.S b/xen/arch/x86/x86_64/entry.S
index 05290484ec1e27547e64dad20f4465afe0f2eea3..70471ecfc6cd7c80217ef539006f9052fcc6337a 100644 (file)
--- a/xen/arch/x86/x86_64/entry.S
+++ b/xen/arch/x86/x86_64/entry.S
@@ -160,8 +160,8 @@ ENTRY(syscall_enter)
         movq  UREGS_rsi+SHADOW_BYTES(%rsp),%rsi   /* Arg 2        */
         movq  UREGS_rdx+SHADOW_BYTES(%rsp),%rdx   /* Arg 3        */
         movq  UREGS_r10+SHADOW_BYTES(%rsp),%rcx   /* Arg 4        */
-        movq  UREGS_rdi+SHADOW_BYTES(%rsp),%r8    /* Arg 5        */
-        movq  UREGS_rbp+SHADOW_BYTES(%rsp),%r9    /* Arg 6        */
+        movq  UREGS_r8 +SHADOW_BYTES(%rsp),%r8    /* Arg 5        */
+        movq  UREGS_r9 +SHADOW_BYTES(%rsp),%r9    /* Arg 6        */
 #undef SHADOW_BYTES
 1:      leaq  hypercall_table(%rip),%r10
         PERFC_INCR(PERFC_hypercalls, %rax, %rbx)