diff options
Diffstat (limited to 'arch/x86_64/mm/fault.c')
| -rw-r--r-- | arch/x86_64/mm/fault.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index de99dba2c515..635e58d443d7 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -15,22 +15,22 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/compiler.h> +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/pgalloc.h> #include <asm/smp.h> #include <asm/tlbflush.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm-generic/sections.h> /* Page fault error code bits */ @@ -476,6 +476,12 @@ bad_area: bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ if (error_code & PF_USER) { + + /* + * It's possible to have interrupts off here. + */ + local_irq_enable(); + if (is_prefetch(regs, address, error_code)) return; |