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s390/unwind: always inline get_stack_pointer

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Always inline get_stack_pointer() to avoid potential problems
due to compiler inlining decisions, i.e. getting stack pointer of
get_stack_pointer() itself which is later reused.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Vasily Gorbik 2019-11-26 17:40:04 +01:00
parent d497b7ec83
commit adcfb8cdc9
1 changed files with 2 additions and 2 deletions
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4
arch/s390/include/asm/stacktrace.h
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@ -33,8 +33,8 @@ static inline bool on_stack(struct stack_info *info,
return addr >= info->begin && addr + len <= info->end;
}
static inline unsigned long get_stack_pointer(struct task_struct *task,
struct pt_regs *regs)
static __always_inline unsigned long get_stack_pointer(struct task_struct *task,
struct pt_regs *regs)
{
if (regs)
return (unsigned long) kernel_stack_pointer(regs);