Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-20 Thread Christian Eggers
On Tuesday, 20 October 2020, 13:30:09 CEST, Peter Zijlstra wrote: > On Mon, Oct 19, 2020 at 05:09:35PM +0200, Sebastian Andrzej Siewior wrote: > > On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote: > > > I have problems with the latest 5.9-rt releases on i.MX6ULL (! CONFIG_SMP): > > … > > > >

Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-20 Thread Sebastian Andrzej Siewior
On 2020-10-20 13:41:37 [+0200], Peter Zijlstra wrote: > Right, but this patch set doesn't include the lazy preemption stuff, and > given the 'fun' Valentin and me are still having with it, I'd like to > keep it like that. > > But yes, that might warrant a slightly less NOP implementation. Uh. Loo

Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-20 Thread Peter Zijlstra
On Tue, Oct 20, 2020 at 01:38:28PM +0200, Sebastian Andrzej Siewior wrote: > On 2020-10-20 13:30:09 [+0200], Peter Zijlstra wrote: > > On Mon, Oct 19, 2020 at 05:09:35PM +0200, Sebastian Andrzej Siewior wrote: > > > On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote: > > > > I have problems wit

Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-20 Thread Sebastian Andrzej Siewior
On 2020-10-20 13:30:09 [+0200], Peter Zijlstra wrote: > On Mon, Oct 19, 2020 at 05:09:35PM +0200, Sebastian Andrzej Siewior wrote: > > On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote: > > > I have problems with the latest 5.9-rt releases on i.MX6ULL (!CONFIG_SMP): > > > > > … > > > Any hint

Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-20 Thread Peter Zijlstra
On Mon, Oct 19, 2020 at 05:09:35PM +0200, Sebastian Andrzej Siewior wrote: > On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote: > > I have problems with the latest 5.9-rt releases on i.MX6ULL (!CONFIG_SMP): > > > … > > Any hints? > > Thank you for the report. The reason is the migrate_disabl

Re: sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-19 Thread Sebastian Andrzej Siewior
On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote: > I have problems with the latest 5.9-rt releases on i.MX6ULL (!CONFIG_SMP): > … > Any hints? Thank you for the report. The reason is the migrate_disable() implementation for !SMP. > Best regards > Christian Sebastian

sched: system doesn't boot since "sched: Add new migrate_disable() implementation"

2020-10-19 Thread Christian Eggers
I have problems with the latest 5.9-rt releases on i.MX6ULL (!CONFIG_SMP): -rc8-rt13 works fine -rc8-rt14 doesn't compile (due to CONFIG_FRACE, already fixed in -rt16) -rt15 dito. -rt16 compiles, but doesn't boot (no console output at all) After reverting (on -rt16) de1c0755e6f9 ("tracing: fix c