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authorThomas Gleixner <tglx@linutronix.de>2011-03-17 10:32:28 (GMT)
committerScott Wood <scottwood@freescale.com>2015-02-13 22:20:11 (GMT)
commit9a58969cf8c3f2a5cf3b0cf04144ca2573758d42 (patch)
tree314bd86e26d7f8c164b1cf70d794c3c8b0df61d6 /arch/xtensa
parent8f5ce951e9a668c3b1c749fc6fee9e8b5dd4654b (diff)
downloadlinux-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/xtensa')
-rw-r--r--arch/xtensa/mm/fault.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 70fa7bc..904c479 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -57,7 +57,7 @@ void do_page_fault(struct pt_regs *regs)
/* If we're in an interrupt or have no user
* context, we must not take the fault..
*/
- if (in_atomic() || !mm) {
+ if (in_atomic() || !mm || current->pagefault_disabled) {
bad_page_fault(regs, address, SIGSEGV);
return;
}