Re: [PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-21 Thread Peter Zijlstra
On Wed, 2013-02-20 at 10:19 +0100, Alexander Gordeev wrote: > When a interrupt affinity mask targets multiple CPUs, the > RT scheduler selects a runqueue for RT task corresponding > to a threaded interrupt handler without consideration of > where the interrupt is actually gets delivered. It leads

Re: [PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-21 Thread Peter Zijlstra
On Wed, 2013-02-20 at 10:19 +0100, Alexander Gordeev wrote: When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It leads to

[PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-20 Thread Alexander Gordeev
When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It leads to a suboptimal condition when a hardware interrupt handler executes

[PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-20 Thread Alexander Gordeev
When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It leads to a suboptimal condition when a hardware interrupt handler executes

Re: [PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-14 Thread Alexander Gordeev
On Mon, Jan 14, 2013 at 03:11:52PM +0100, Alexander Gordeev wrote: > When a interrupt affinity mask targets multiple CPUs, the > RT scheduler selects a runqueue for RT task corresponding > to a threaded interrupt handler without consideration of > where the interrupt is actually gets delivered. It

Re: [PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-02-14 Thread Alexander Gordeev
On Mon, Jan 14, 2013 at 03:11:52PM +0100, Alexander Gordeev wrote: When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It

[PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-01-14 Thread Alexander Gordeev
When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It leads to a suboptimal condition when a hardware interrupt handler executes

[PATCH v2 -tip] sched/rt: Fix locality of threaded interrupt handlers

2013-01-14 Thread Alexander Gordeev
When a interrupt affinity mask targets multiple CPUs, the RT scheduler selects a runqueue for RT task corresponding to a threaded interrupt handler without consideration of where the interrupt is actually gets delivered. It leads to a suboptimal condition when a hardware interrupt handler executes