Re: [PATCH 3/4] nohz: add tick_nohz_full_clear_cpus() API

2015-03-30 Thread Chris Metcalf
On 03/30/2015 12:41 PM, Rik van Riel wrote: On 03/30/2015 12:20 PM, Chris Metcalf wrote: I wanted to ping the patch below again, since I haven't heard any feedback. I note that Rik van Riel's change posted this weekend offers similar functionality for userspace. My change offers a convenient A

Re: [PATCH 3/4] nohz: add tick_nohz_full_clear_cpus() API

2015-03-30 Thread Rik van Riel
On 03/30/2015 12:20 PM, Chris Metcalf wrote: > I wanted to ping the patch below again, since I haven't heard any > feedback. > > I note that Rik van Riel's change posted this weekend offers similar > functionality for userspace. My change offers a convenient API > for, e.g., kernel drivers settin

Re: [PATCH 3/4] nohz: add tick_nohz_full_clear_cpus() API

2015-03-30 Thread Chris Metcalf
I wanted to ping the patch below again, since I haven't heard any feedback. I note that Rik van Riel's change posted this weekend offers similar functionality for userspace. My change offers a convenient API for, e.g., kernel drivers setting up default irq balancing. https://lkml.org/lkml/2015/

[PATCH 3/4] nohz: add tick_nohz_full_clear_cpus() API

2015-03-24 Thread cmetcalf
From: Chris Metcalf This is useful, for example, to modify a cpumask to avoid the nohz cores so that interrupts aren't sent to them. Signed-off-by: Chris Metcalf --- Motivated by patch 4/4 in this series. include/linux/tick.h | 7 +++ 1 file changed, 7 insertions(+) diff --git a/include/