sched: panic() in schedule_bug

2018-12-07 Thread Kathleen Chang
hi, [kernel-4.9, kernel-4.14] When preemption disable in schedule(), Current linux design will panic when panic_on_warn=1 However, default setting, panic_on_warn=0, and if panic_on_warn=1 , and call panic() after printing out WARN() location. It affects too much cases. Could p

Re: update vruntime incorrectly When use rt_mutex

2018-03-20 Thread Kathleen Chang
On Wed, 2018-03-21 at 13:52 +0800, Kathleen Chang wrote: > > > On Fri, 2018-03-16 at 10:51 +0100, Peter Zijlstra wrote: > > On Thu, Mar 15, 2018 at 03:36:10PM +0800, Kathleen Chang wrote: > > > hi, > > > > > > We found the vruntime might update inco

Re: update vruntime incorrectly When use rt_mutex

2018-03-20 Thread Kathleen Chang
hi, Thanks for your feedback. On Fri, 2018-03-16 at 10:51 +0100, Peter Zijlstra wrote: > On Thu, Mar 15, 2018 at 03:36:10PM +0800, Kathleen Chang wrote: > > hi, > > > > We found the vruntime might update incorrectly when use rt_mutex. > > That's nice, on wh