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Commit d4fe0965 authored Aug 21, 2014 by Zhouyi Zhou Committed by Michael Ellerman Sep 25, 2014

powerpc/jump_label: use HAVE_JUMP_LABEL?



CONFIG_JUMP_LABEL doesn't ensure HAVE_JUMP_LABEL, if it
is not the case use maintainers's own mutex to guard
the modification of global values.

Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 22e55fcf

arch/powerpc/platforms/powernv/opal-tracepoints.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2,7 +2,7 @@
		#include <linux/jump_label.h>
		#include <asm/trace.h>

		#ifdef CONFIG_JUMP_LABEL
		#ifdef HAVE_JUMP_LABEL
		struct static_key opal_tracepoint_key = STATIC_KEY_INIT;

		void opal_tracepoint_regfunc(void)

arch/powerpc/platforms/pseries/lpar.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -640,7 +640,7 @@ EXPORT_SYMBOL(arch_free_page);
		#endif

		#ifdef CONFIG_TRACEPOINTS
		#ifdef CONFIG_JUMP_LABEL
		#ifdef HAVE_JUMP_LABEL
		struct static_key hcall_tracepoint_key = STATIC_KEY_INIT;

		void hcall_tracepoint_regfunc(void)