On 2018-07-27 05:17:23 [+0200], Mike Galbraith wrote: > On Thu, 2018-07-26 at 17:06 +0200, Sebastian Andrzej Siewior wrote: > > > > @@ -1115,6 +1139,7 @@ void kernel_neon_begin(void) > > > > BUG_ON(!may_use_simd()); > > > > + preempt_disable(); > > local_bh_disable(); > > > > __this_cpu_write(kernel_neon_busy, true); > > @@ -1131,6 +1156,7 @@ void kernel_neon_begin(void) > > preempt_disable(); > > Nit: this preempt_disable() could be removed... > > > local_bh_enable(); > > + preempt_enable(); > > } > > EXPORT_SYMBOL(kernel_neon_begin); > > ...instead of adding this one.
It could. I have currently no idea for the long term solution and this keeps track what is intended to do. It might get replaced with preempt_.*_rt()… > -Mike Sebastian
