Re: [Crash-utility] [PATCH 3/4] remove unreachable (and slow) code

2018-04-09 Thread Dave Anderson
- Original Message - > > > - Original Message - > > task_exists() scans known tasks for a given task address. > > > > refresh_radix_tree_task_table() looks like: > > hq_open() > > for cpus { > > hq_enter(per_cpu_idle_thread) > > } > > for ... { > > hq_enter(task

Re: [Crash-utility] [PATCH 3/4] remove unreachable (and slow) code

2018-04-09 Thread Greg Thelen
On Mon, Apr 9, 2018 at 11:32 AM Dave Anderson wrote: > - Original Message - > > task_exists() scans known tasks for a given task address. > > > > refresh_radix_tree_task_table() looks like: > > hq_open() > > for cpus { > > hq_enter(per_cpu_idle_thread) > > } > > for ... { > >

Re: [Crash-utility] [PATCH 3/4] remove unreachable (and slow) code

2018-04-09 Thread Dave Anderson
- Original Message - > task_exists() scans known tasks for a given task address. > > refresh_radix_tree_task_table() looks like: > hq_open() > for cpus { > hq_enter(per_cpu_idle_thread) > } > for ... { > hq_enter(task) > } > hq_close() > > tt->running_tasks = 0 >