Re: ltp::mmap05 --> BUG: using __this_cpu_read() in preemptible

From: Peter Zijlstra
Date: Sat Oct 31 2020 - 07:25:42 EST



Hi Mike, good to see you're enjoying retirement ;-)

On Sat, Oct 31, 2020 at 06:52:40AM +0100, Mike Galbraith wrote:
> [ 138.620544] BUG: using __this_cpu_read() in preemptible [00000000] code: mmap05/4858
> [ 138.620737] caller is lockdep_hardirqs_on_prepare+0x2f/0x1b0

Fix should already be in tip/locking/urgent.