Hi Clark,
On 08/05/2015 03:30 PM, Daniel Wagner wrote:
> It's a while since the last attempt by Paul to get simple wait ready
> for mainline [1]. At the last realtime workshop it was discussed how
> the swait implementation could be made preempt aware. Peter posted an
> untested version of it here
On 08/07/2015 08:42 AM, Daniel Wagner wrote:
> On 08/05/2015 03:30 PM, Daniel Wagner wrote:
>> My test system didn't crash or showed any obvious defects, so I
>> decided to apply some benchmarks utilizing mmtests. I have picked some
>
> As it turns out, this is not really true. I forgot to enable
On Fri, 7 Aug 2015 11:25:41 +0200
Peter Zijlstra wrote:
> > For cwait? That's the complex wait queue (what the current wait queues
> > will be called in the future).
>
> Urgh, I don't think we should go rename that.. that's going to be lots
> of pain for no to little gain.
I thought we decided
On Thu, Aug 06, 2015 at 06:14:12PM -0400, Steven Rostedt wrote:
> On Thu, 6 Aug 2015 23:36:49 +0200
> Peter Zijlstra wrote:
>
> > On Thu, Aug 06, 2015 at 03:31:20PM -0400, Steven Rostedt wrote:
> > > > 4) poll_wait: currently it and poll_table_entry are both hard coupled
> > > >to wait_queue_
On 08/05/2015 03:30 PM, Daniel Wagner wrote:
> My test system didn't crash or showed any obvious defects, so I
> decided to apply some benchmarks utilizing mmtests. I have picked some
As it turns out, this is not really true. I forgot to enable lockdep:
[0.053193]
On Thu, 6 Aug 2015 23:36:49 +0200
Peter Zijlstra wrote:
> On Thu, Aug 06, 2015 at 03:31:20PM -0400, Steven Rostedt wrote:
> > > 4) poll_wait: currently it and poll_table_entry are both hard coupled
> > >to wait_queue_head_t -- so any users of poll_wait are not eligible
> > >for conversion
On Thu, Aug 06, 2015 at 03:31:20PM -0400, Steven Rostedt wrote:
> > 4) poll_wait: currently it and poll_table_entry are both hard coupled
> >to wait_queue_head_t -- so any users of poll_wait are not eligible
> >for conversion to simple wait. (I just happened to notice that
> >recently.)
On Thu, 6 Aug 2015 15:22:45 -0400
Paul Gortmaker wrote:
> [[RFC v0 0/3] Simple wait queue support] On 05/08/2015 (Wed 15:30) Daniel
> Wagner wrote:
>
> > Hi,
> >
> > It's a while since the last attempt by Paul to get simple wait ready
> > for mainline [1]
[[RFC v0 0/3] Simple wait queue support] On 05/08/2015 (Wed 15:30) Daniel
Wagner wrote:
> Hi,
>
> It's a while since the last attempt by Paul to get simple wait ready
> for mainline [1]. At the last realtime workshop it was discussed how
> the swait implementation could b
Hi,
It's a while since the last attempt by Paul to get simple wait ready
for mainline [1]. At the last realtime workshop it was discussed how
the swait implementation could be made preempt aware. Peter posted an
untested version of it here [2].
In order to test it, I used Paul's two patches which
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