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-rw-r--r--include/asm-powerpc/lppaca.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index ff82ea7c4829..4dc514aabfe7 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -29,6 +29,8 @@
//----------------------------------------------------------------------------
#include <asm/types.h>
+/* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k
+ * alignment is sufficient to prevent this */
struct lppaca {
//=============================================================================
// CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
@@ -127,7 +129,9 @@ struct lppaca {
// CACHE_LINE_4-5 0x0100 - 0x01FF Contains PMC interrupt data
//=============================================================================
u8 pmc_save_area[256]; // PMC interrupt Area x00-xFF
-};
+} __attribute__((__aligned__(0x400)));
+
+extern struct lppaca lppaca[];
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_LPPACA_H */