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authorIngo Molnar <mingo@kernel.org>2012-04-13 09:57:10 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-13 09:57:10 +0200
commita385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (patch)
treea2c186cb828e3713c2ec48a4d7191166fb798b3d /arch/mips/include/asm/processor.h
parent659c36fcda403013a01b85da07cf2d9711e6d6c7 (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge tag 'v3.4-rc2' into perf/core
Merge Linux 3.4-rc2: we were on v3.3, update the base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/include/asm/processor.h')
-rw-r--r--arch/mips/include/asm/processor.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index c104f1039a6..20e9dcf42b2 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -19,7 +19,6 @@
#include <asm/cpu-info.h>
#include <asm/mipsregs.h>
#include <asm/prefetch.h>
-#include <asm/system.h>
/*
* Return current * instruction pointer ("program counter").
@@ -356,6 +355,12 @@ unsigned long get_wchan(struct task_struct *p);
#define ARCH_HAS_PREFETCHW
#define prefetchw(x) __builtin_prefetch((x), 1, 1)
+/*
+ * See Documentation/scheduler/sched-arch.txt; prevents deadlock on SMP
+ * systems.
+ */
+#define __ARCH_WANT_UNLOCKED_CTXSW
+
#endif
#endif /* _ASM_PROCESSOR_H */