On 04/02/19 12:55, Peter Zijlstra wrote: > On Thu, Jan 17, 2019 at 09:47:37AM +0100, Juri Lelli wrote: > > @@ -2366,7 +2366,7 @@ static int cpuset_common_seq_show(struct seq_file *sf, void *v) > > cpuset_filetype_t type = seq_cft(sf)->private; > > int ret = 0; > > > > - spin_lock_irq(&callback_lock); > > + raw_spin_lock_irq(&callback_lock); > > > > switch (type) { > > case FILE_CPULIST: > > @@ -2388,7 +2388,7 @@ static int cpuset_common_seq_show(struct seq_file *sf, void *v) > > ret = -EINVAL; > > } > > > > - spin_unlock_irq(&callback_lock); > > + raw_spin_unlock_irq(&callback_lock); > > return ret; > > } > > > could we not convert this to use cpuset_mutex ? Looks like we can. I'll do the change.