[PATCH v4 2/2] xen/x86: Drop mode-selecting ifdefs in startup_xen()

From: Boris Ostrovsky
Date: Fri Feb 26 2016 - 14:03:24 EST


Use asm/asm.h macros instead.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
arch/x86/xen/xen-head.S | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 5c63d2d..de93b20 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -47,13 +47,9 @@ ENTRY(startup_xen)
shr $__ASM_SEL(2, 3), %_ASM_CX
rep __ASM_SIZE(stos)

-#ifdef CONFIG_X86_32
- mov %esi,xen_start_info
- mov $init_thread_union+THREAD_SIZE,%esp
-#else
- mov %rsi,xen_start_info
- mov $init_thread_union+THREAD_SIZE,%rsp
-#endif
+ mov %_ASM_SI, xen_start_info
+ mov $init_thread_union+THREAD_SIZE, %_ASM_SP
+
jmp xen_start_kernel

__FINIT
--
2.1.0