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[Xen-devel,15/34] xen/arm: traps: Mark check_stack_alignment_constraints as unused

Message ID 1395766541-23979-16-git-send-email-julien.grall@linaro.org
State Deferred, archived
Headers show

Commit Message

Julien Grall March 25, 2014, 4:55 p.m. UTC
Fix compilation with clang 3.5:

traps.c:48:20: error: unused function 'check_stack_alignment_constraints' [-Werror,-Wunused-function]
static inline void check_stack_alignment_constraints(void) {
                   ^

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@citrix.com>
Cc: Tim Deegan <tim@xen.org>
---
 xen/arch/arm/traps.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Ian Campbell March 27, 2014, 4:43 p.m. UTC | #1
On Tue, 2014-03-25 at 16:55 +0000, Julien Grall wrote:
> Fix compilation with clang 3.5:
> 
> traps.c:48:20: error: unused function 'check_stack_alignment_constraints' [-Werror,-Wunused-function]
> static inline void check_stack_alignment_constraints(void) {
>                    ^
> 
> Signed-off-by: Julien Grall <julien.grall@linaro.org>

Acked-by: Ian Campbell <ian.campbell@citrix.com>
diff mbox

Patch

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index ec43e65..5578688 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -45,7 +45,8 @@ 
  * that both the kernel half of struct cpu_user_regs (which is pushed in
  * entry.S) and struct cpu_info (which lives at the bottom of a Xen
  * stack) must be doubleword-aligned in size.  */
-static inline void check_stack_alignment_constraints(void) {
+static inline always_unused void check_stack_alignment_constraints(void)
+{
 #ifdef CONFIG_ARM_64
     BUILD_BUG_ON((sizeof (struct cpu_user_regs)) & 0xf);
     BUILD_BUG_ON((offsetof(struct cpu_user_regs, spsr_el1)) & 0xf);