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authorDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 18:25:14 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 18:25:14 -0700
commit127cda1e8cc282de1ca7a9dcc3866841977b9fcc (patch)
tree800169fa92dc96160044d914ca1ca9fea60339ea /include/asm-sparc64
parent6c1142602c9c8faedbc1321892a169652a173fc7 (diff)
downloadblackbird-op-linux-127cda1e8cc282de1ca7a9dcc3866841977b9fcc.tar.gz
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[SPARC64]: Optimize fault kprobe handling just like powerpc.
And eliminate DIE_GPF while we're at it. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/kdebug.h16
-rw-r--r--include/asm-sparc64/kprobes.h1
2 files changed, 14 insertions, 3 deletions
diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h
index f8032e73f384..627e3396a5f0 100644
--- a/include/asm-sparc64/kdebug.h
+++ b/include/asm-sparc64/kdebug.h
@@ -7,8 +7,19 @@
struct pt_regs;
-extern int register_page_fault_notifier(struct notifier_block *);
-extern int unregister_page_fault_notifier(struct notifier_block *);
+/*
+ * These are only here because kprobes.c wants them to implement a
+ * blatant layering violation. Will hopefully go away soon once all
+ * architectures are updated.
+ */
+static inline int register_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+static inline int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
extern void bad_trap(struct pt_regs *, long);
@@ -20,7 +31,6 @@ enum die_val {
DIE_DIE,
DIE_TRAP,
DIE_TRAP_TL1,
- DIE_GPF,
DIE_CALL,
DIE_PAGE_FAULT,
};
diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h
index becc38fa06c5..a331b7b0dff2 100644
--- a/include/asm-sparc64/kprobes.h
+++ b/include/asm-sparc64/kprobes.h
@@ -43,4 +43,5 @@ struct kprobe_ctlblk {
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
#endif /* _SPARC64_KPROBES_H */
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