Commit b7eed6dd authored Feb 06, 2017 by Pratyush Anand Committed by Will Deacon Feb 06, 2017

arm64: do not trace atomic operations



Atomic operation function symbols are exported,when
CONFIG_ARM64_LSE_ATOMICS is defined. Prefix them with notrace, so that
an user can not trace these functions. Tracing these functions causes
kernel crash.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 5e5afa6c

arch/arm64/include/asm/lse.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -19,7 +19,7 @@
		__asm__(".arch_extension lse");

		/* Move the ll/sc atomics out-of-line */
		#define __LL_SC_INLINE
		#define __LL_SC_INLINE notrace
		#define __LL_SC_PREFIX(x) __ll_sc_##x
		#define __LL_SC_EXPORT(x) EXPORT_SYMBOL(__LL_SC_PREFIX(x))