[PATCH 27/33] watchdog/hpwdt: Create stack frame in asminline_call()

[Josh Poimboeuf]

asminline_call() is a callable non-leaf function which doesn't honor
CONFIG_FRAME_POINTER, which can result in bad stack traces.

Create a stack frame when CONFIG_FRAME_POINTER is enabled.

Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: linux-watchdog@xxxxxxxxxxxxxxx
---
 drivers/watchdog/hpwdt.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 286369d..f368383 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -353,10 +353,10 @@ static int detect_cru_service(void)
 
 asm(".text                      \n\t"
     ".align 4                   \n\t"
-    ".globl asminline_call	\n"
+    ".globl asminline_call	\n\t"
+    ".type asminline_call, @function \n\t"
     "asminline_call:            \n\t"
-    "pushq      %rbp            \n\t"
-    "movq       %rsp, %rbp      \n\t"
+    FRAME_BEGIN
     "pushq      %rax            \n\t"
     "pushq      %rbx            \n\t"
     "pushq      %rdx            \n\t"
@@ -386,7 +386,7 @@ asm(".text                      \n\t"
     "popq       %rdx            \n\t"
     "popq       %rbx            \n\t"
     "popq       %rax            \n\t"
-    "leave                      \n\t"
+    FRAME_END
     "ret                        \n\t"
     ".previous");
 
-- 
2.4.3