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authorIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
commitf6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c (patch)
treec5643fcdc884a8d0bfc3f1bc28039cab7394e5bc /include/asm-powerpc/synch.h
parent323ec001c6bb98eeabb5abbdbb8c8055d9496554 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadop-kernel-dev-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.zip
op-kernel-dev-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.tar.gz
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-powerpc/synch.h')
-rw-r--r--include/asm-powerpc/synch.h38
1 files changed, 23 insertions, 15 deletions
diff --git a/include/asm-powerpc/synch.h b/include/asm-powerpc/synch.h
index 2cda3c3..45963e8 100644
--- a/include/asm-powerpc/synch.h
+++ b/include/asm-powerpc/synch.h
@@ -3,34 +3,42 @@
#ifdef __KERNEL__
#include <linux/stringify.h>
+#include <asm/feature-fixups.h>
-#ifdef __powerpc64__
-#define __SUBARCH_HAS_LWSYNC
-#endif
+#ifndef __ASSEMBLY__
+extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
+extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
+ void *fixup_end);
+
+static inline void eieio(void)
+{
+ __asm__ __volatile__ ("eieio" : : : "memory");
+}
+
+static inline void isync(void)
+{
+ __asm__ __volatile__ ("isync" : : : "memory");
+}
+#endif /* __ASSEMBLY__ */
-#ifdef __SUBARCH_HAS_LWSYNC
+#if defined(__powerpc64__)
# define LWSYNC lwsync
+#elif defined(CONFIG_E500)
+# define LWSYNC \
+ START_LWSYNC_SECTION(96); \
+ sync; \
+ MAKE_LWSYNC_SECTION_ENTRY(96, __lwsync_fixup);
#else
# define LWSYNC sync
#endif
#ifdef CONFIG_SMP
#define ISYNC_ON_SMP "\n\tisync\n"
-#define LWSYNC_ON_SMP __stringify(LWSYNC) "\n"
+#define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n"
#else
#define ISYNC_ON_SMP
#define LWSYNC_ON_SMP
#endif
-static inline void eieio(void)
-{
- __asm__ __volatile__ ("eieio" : : : "memory");
-}
-
-static inline void isync(void)
-{
- __asm__ __volatile__ ("isync" : : : "memory");
-}
-
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_SYNCH_H */
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