diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-17 10:32:28 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:18:40 (GMT) |
| commit | e2d5d7daf459acde7c718ba4f30bbb00a66c5c1d (patch) | |
| tree | 01d883bf9ae5493217a1404389e368d6ac1f1505 /arch/sparc | |
| parent | 60f0b2748306e45a2dd3ea6a42d0136439793664 (diff) | |
| download | linux-fsl-qoriq-e2d5d7daf459acde7c718ba4f30bbb00a66c5c1d.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/sparc')
| -rw-r--r-- | arch/sparc/mm/fault_32.c | 2 | ||||
| -rw-r--r-- | arch/sparc/mm/fault_64.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index 59dbd46..7d51c05 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -199,7 +199,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, * 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) goto no_context; perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 2ebec26..1747cde 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -322,7 +322,7 @@ asmlinkage void __kprobes do_sparc64_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_enabled) goto intr_or_no_mm; perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); |