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authorIngo Molnar <mingo@elte.hu>2012-02-28 10:26:07 +0100
committerIngo Molnar <mingo@elte.hu>2012-02-28 10:27:36 +0100
commit458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch)
tree28e088137eb068e5620f17eaf0ca19d1562006ed /arch/powerpc/mm/fault.c
parent69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff)
parent586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff)
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r--arch/powerpc/mm/fault.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 5efe8c96d37..2f0d1b032a8 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -44,6 +44,8 @@
#include <asm/siginfo.h>
#include <mm/mmu_decl.h>
+#include "icswx.h"
+
#ifdef CONFIG_KPROBES
static inline int notify_page_fault(struct pt_regs *regs)
{
@@ -143,6 +145,21 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
is_write = error_code & ESR_DST;
#endif /* CONFIG_4xx || CONFIG_BOOKE */
+#ifdef CONFIG_PPC_ICSWX
+ /*
+ * we need to do this early because this "data storage
+ * interrupt" does not update the DAR/DEAR so we don't want to
+ * look at it
+ */
+ if (error_code & ICSWX_DSI_UCT) {
+ int ret;
+
+ ret = acop_handle_fault(regs, address, error_code);
+ if (ret)
+ return ret;
+ }
+#endif
+
if (notify_page_fault(regs))
return 0;