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ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h

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With compilers which follow the C99 standard (like modern versions of gcc and
clang), "extern inline" does the wrong thing (emits code for an externally
linkable version of the inline function). In this case using static inline
and removing the NULL version of return_address in return_address.c does
the right thing.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Behan Webster 2014-09-24 01:06:46 +01:00 committed by Russell King
parent 389522b0c0
commit aeea3592a1
2 changed files with 1 additions and 6 deletions
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2
arch/arm/include/asm/ftrace.h
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@ -45,7 +45,7 @@ void *return_address(unsigned int);
#else
extern inline void *return_address(unsigned int level)
static inline void *return_address(unsigned int level)
{
return NULL;
}

5
arch/arm/kernel/return_address.c
View file

@ -63,11 +63,6 @@ void *return_address(unsigned int level)
#warning "TODO: return_address should use unwind tables"
#endif
void *return_address(unsigned int level)
{
return NULL;
}
#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */
EXPORT_SYMBOL_GPL(return_address);