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authorPaul Mundt <lethal@linux-sh.org>2008-09-21 05:11:25 +0200
committerPaul Mundt <lethal@linux-sh.org>2008-09-21 05:11:25 +0200
commit8f2baee28093ea77c7cc8da45049fd94cc76998e (patch)
tree73c24f8c60b7b8d98f9dc36187504534b926da64 /arch/sh/mm/fault_32.c
parentsh: Look up the trap vector for the page fault notifier. (diff)
downloadlinux-8f2baee28093ea77c7cc8da45049fd94cc76998e.tar.xz
linux-8f2baee28093ea77c7cc8da45049fd94cc76998e.zip
sh: Kill off duplicate page fault notifiers in slow path.
We already have hooks in place in the __do_page_fault() fast-path, so kill them off in the slow path. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/fault_32.c')
-rw-r--r--arch/sh/mm/fault_32.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index ef01f45daa8a..08a08ea5d69f 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -53,13 +53,10 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
int fault;
siginfo_t info;
- if (notify_page_fault(regs, lookup_exception_vector()))
- return;
-
-#ifdef CONFIG_SH_KGDB
- if (kgdb_nofault && kgdb_bus_err_hook)
- kgdb_bus_err_hook();
-#endif
+ /*
+ * We don't bother with any notifier callbacks here, as they are
+ * all handled through the __do_page_fault() fast-path.
+ */
tsk = current;
si_code = SEGV_MAPERR;