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| author | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 05:58:45 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 05:58:45 +0900 |
| commit | d2dcd9101b1a940ce8496601ba871e47f84881ec (patch) | |
| tree | 3de9cb11379d51eb01b568a20c8d7c585c89d10e /arch/microblaze/mm/fault.c | |
| parent | 8010fbe7a67c2f993cbb11b9d8b7e98528256dd1 (diff) | |
| parent | 606b4c992f3b28f906100f1b6eb49059909d8da7 (diff) | |
| download | linux-d2dcd9101b1a940ce8496601ba871e47f84881ec.tar.gz linux-d2dcd9101b1a940ce8496601ba871e47f84881ec.tar.xz | |
Merge branch 'master' into sh/cachetlb
Diffstat (limited to 'arch/microblaze/mm/fault.c')
| -rw-r--r-- | arch/microblaze/mm/fault.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c index 956607a63f4c..d9d249a66ff2 100644 --- a/arch/microblaze/mm/fault.c +++ b/arch/microblaze/mm/fault.c @@ -69,7 +69,7 @@ static int store_updates_sp(struct pt_regs *regs) * It is called from do_page_fault above and from some of the procedures * in traps.c. */ -static void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) +void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) { const struct exception_table_entry *fixup; /* MS: no context */ @@ -122,15 +122,10 @@ void do_page_fault(struct pt_regs *regs, unsigned long address, } #endif /* CONFIG_KGDB */ - if (in_atomic() || mm == NULL) { - /* FIXME */ - if (kernel_mode(regs)) { - printk(KERN_EMERG - "Page fault in kernel mode - Oooou!!! pid %d\n", - current->pid); - _exception(SIGSEGV, regs, code, address); - return; - } + if (in_atomic() || !mm) { + if (kernel_mode(regs)) + goto bad_area_nosemaphore; + /* in_atomic() in user mode is really bad, as is current->mm == NULL. */ printk(KERN_EMERG "Page fault in user mode with " |