diff mbox series

[07/13] uaccess: Clenaup PREEMPT_COUNT leftovers

Message ID 20200914204441.686695987@linutronix.de (mailing list archive)
State New, archived
Headers show
Series preempt: Make preempt count unconditional | expand

Commit Message

Thomas Gleixner Sept. 14, 2020, 8:42 p.m. UTC 
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/uaccess.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -230,9 +230,9 @@  static inline bool pagefault_disabled(vo
  *
  * This function should only be used by the fault handlers. Other users should
  * stick to pagefault_disabled().
- * Please NEVER use preempt_disable() to disable the fault handler. With
- * !CONFIG_PREEMPT_COUNT, this is like a NOP. So the handler won't be disabled.
- * in_atomic() will report different values based on !CONFIG_PREEMPT_COUNT.
+ *
+ * Please NEVER use preempt_disable() or local_irq_disable() to disable the
+ * fault handler.
  */
 #define faulthandler_disabled() (pagefault_disabled() || in_atomic())