[PATCH v2 3/3] x86/xen: remove unneeded dummy push from xen_hypercall_hvm()

[Juergen Gross <jgross@xxxxxxxx>]

Stack alignment of the kernel in 64-bit mode is 8, not 16, so the
dummy push in xen_hypercall_hvm() for aligning the stack to 16 bytes
can be removed.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 arch/x86/xen/xen-head.S | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 4e481b0eefc9..894edf8d6d62 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -100,9 +100,6 @@ SYM_FUNC_START(xen_hypercall_hvm)
        push %r10
        push %r9
        push %r8
-#ifdef CONFIG_FRAME_POINTER
-       pushq $0        /* Dummy push for stack alignment. */
-#endif
 #endif
        /* Set the vendor specific function. */
        call __xen_hypercall_setfunc
@@ -119,9 +116,6 @@ SYM_FUNC_START(xen_hypercall_hvm)
 #else
        lea xen_hypercall_amd(%rip), %rcx
        cmp %rax, %rcx
-#ifdef CONFIG_FRAME_POINTER
-       pop %rax        /* Dummy pop. */
-#endif
        pop %r8
        pop %r9
        pop %r10
-- 
2.43.0