diff options
| -rw-r--r-- | arch/x86/kernel/traps_64.c | 4 | ||||
| -rw-r--r-- | mm/memory.c | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index efc66df..0454666 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -84,7 +84,7 @@ static inline void conditional_sti(struct pt_regs *regs) static inline void preempt_conditional_sti(struct pt_regs *regs) { - preempt_disable(); + inc_preempt_count(); if (regs->flags & X86_EFLAGS_IF) local_irq_enable(); } @@ -95,7 +95,7 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) local_irq_disable(); /* Make sure to not schedule here because we could be running on an exception stack. */ - preempt_enable_no_resched(); + dec_preempt_count(); } int kstack_depth_to_print = 12; diff --git a/mm/memory.c b/mm/memory.c index 717aa0e..55b97ef 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2711,6 +2711,13 @@ void print_vma_addr(char *prefix, unsigned long ip) struct mm_struct *mm = current->mm; struct vm_area_struct *vma; + /* + * Do not print if we are in atomic + * contexts (in exception stacks, etc.): + */ + if (preempt_count()) + return; + down_read(&mm->mmap_sem); vma = find_vma(mm, ip); if (vma && vma->vm_file) { |
