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authorDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /include/asm-powerpc/synch.h
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
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 2cda3c38a9fa..45963e80f557 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 */