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author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-17 10:32:28 (GMT) |
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committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:11 (GMT) |
commit | 9a58969cf8c3f2a5cf3b0cf04144ca2573758d42 (patch) | |
tree | 314bd86e26d7f8c164b1cf70d794c3c8b0df61d6 /arch/sh | |
parent | 8f5ce951e9a668c3b1c749fc6fee9e8b5dd4654b (diff) | |
download | linux-fsl-qoriq-9a58969cf8c3f2a5cf3b0cf04144ca2573758d42.tar.xz |
mm: Fixup all fault handlers to check current->pagefault_disable
Necessary for decoupling pagefault disable from preempt count.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/mm/fault.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 541dc61..a2aa4ff 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -438,7 +438,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, * If we're in an interrupt, have no user context or are running * in an atomic region then we must not take the fault: */ - if (unlikely(in_atomic() || !mm)) { + if (unlikely(in_atomic() || !mm || current->pagefault_disabled)) { bad_area_nosemaphore(regs, error_code, address); return; } |