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powerpc: Rename __get_SP() to current_stack_pointer()

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Michael points out that __get_SP() is a pretty horrible
function name. Let's give it a better name.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anton Blanchard
2014-10-13 19:41:39 +11:00
committed by Michael Ellerman
parent bfe9a2cfe9
commit acf620ecf5
7 changed files with 7 additions and 7 deletions
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2
arch/powerpc/kernel/irq.c
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@@ -466,7 +466,7 @@ static inline void check_stack_overflow(void)
#ifdef CONFIG_DEBUG_STACKOVERFLOW
long sp;
sp = __get_SP() & (THREAD_SIZE-1);
sp = current_stack_pointer() & (THREAD_SIZE-1);
/* check for stack overflow: is there less than 2KB free? */
if (unlikely(sp < (sizeof(struct thread_info) + 2048))) {