ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage
The mmap semaphore should not be taken when page faults are disabled. Since pagefault_disable() no longer disables preemption, we now need to use faulthandler_disabled() in place of in_atomic(). Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Mark Salter <msalter@redhat.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Showing
Please register or sign in to comment