The preempt-rt patch adds a pagefault-disabled logic. We must not take page faults if pagefault_disabled > 0. The same treatment can be found in other arch code. Signed-off-by: Katsuya Matsubara <matsu@xxxxxxxxxx> --- arch/sh/mm/fault_32.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 898d477..2746b08 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -100,7 +100,7 @@ asmlinkage void __kprobes 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) goto no_context; down_read(&mm->mmap_sem); -- 1.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
