[XEN PATCH v2 2/7] x86: add deviations for variables only used in asm code

[Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>]

These variables are only used by asm code, and therefore
the lack of a declaration is justified by the corresponding
deviation comment.

Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/asm_defns.h | 1 +
 xen/arch/x86/setup.c                 | 1 +
 2 files changed, 2 insertions(+)

diff --git a/xen/arch/x86/include/asm/asm_defns.h 
b/xen/arch/x86/include/asm/asm_defns.h
index baaaccb26e17..a2516de7749b 100644
--- a/xen/arch/x86/include/asm/asm_defns.h
+++ b/xen/arch/x86/include/asm/asm_defns.h
@@ -31,6 +31,7 @@ asm ( "\t.equ CONFIG_INDIRECT_THUNK, "
  * gets set up by the containing function.
  */
 #ifdef CONFIG_FRAME_POINTER
+/* SAF-1-safe */
 register unsigned long current_stack_pointer asm("rsp");
 # define ASM_CALL_CONSTRAINT , "+r" (current_stack_pointer)
 #else
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 08ba1f95d635..7e2979f419af 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -153,6 +153,7 @@ char __section(".init.bss.stack_aligned") 
__aligned(STACK_SIZE)
 void *stack_start = cpu0_stack + STACK_SIZE - sizeof(struct cpu_info);

 /* Used by the boot asm to stash the relocated multiboot info pointer. */
+/* SAF-1-safe */
 unsigned int __initdata multiboot_ptr;

 struct cpuinfo_x86 __read_mostly boot_cpu_data = { 0, 0, 0, 0, -1 };
--
2.34.1