[patch 07/13] uaccess: Clenaup PREEMPT_COUNT leftovers
From: Thomas Gleixner <hidden>
Date: 2020-09-14 20:45:41
Also in:
dri-devel, intel-gfx, linux-alpha, linux-mm, linux-um
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be removed. Cleanup the leftovers before doing so. Signed-off-by: Thomas Gleixner <redacted> --- include/linux/uaccess.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- 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())
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