On 10/12/2015 01:58 PM, Peter Zijlstra wrote:
> On Mon, Oct 12, 2015 at 12:03:06PM +0200, Daniel Wagner wrote:
>> On 10/12/2015 11:17 AM, Daniel Wagner wrote:
>>> On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> @@ -50,10
On Mon, Oct 12, 2015 at 12:03:06PM +0200, Daniel Wagner wrote:
> On 10/12/2015 11:17 AM, Daniel Wagner wrote:
> > On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
> >> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> >>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>
On 10/12/2015 11:17 AM, Daniel Wagner wrote:
> On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
>> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
>>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>>> {
>>> unsigned long flags;
>>>
>>> -
On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>> {
>> unsigned long flags;
>>
>> -spin_lock_irqsave(>wait.lock, flags);
>> +
On 10/12/2015 11:17 AM, Daniel Wagner wrote:
> On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
>> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
>>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>>> {
>>> unsigned long flags;
>>>
>>> -
On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>> {
>> unsigned long flags;
>>
>> -spin_lock_irqsave(>wait.lock, flags);
>> +
On Mon, Oct 12, 2015 at 12:03:06PM +0200, Daniel Wagner wrote:
> On 10/12/2015 11:17 AM, Daniel Wagner wrote:
> > On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
> >> On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> >>> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
>
On 10/12/2015 01:58 PM, Peter Zijlstra wrote:
> On Mon, Oct 12, 2015 at 12:03:06PM +0200, Daniel Wagner wrote:
>> On 10/12/2015 11:17 AM, Daniel Wagner wrote:
>>> On 09/09/2015 04:26 PM, Peter Zijlstra wrote:
On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> @@ -50,10
On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
> {
> unsigned long flags;
>
> - spin_lock_irqsave(>wait.lock, flags);
> + raw_spin_lock_irqsave(>wait.lock, flags);
> x->done += UINT_MAX/2;
> -
From: Paul Gortmaker
Completions have no long lasting callbacks and therefore do not need
the complex waitqueue variant. Use simple waitqueues which reduces
the contention on the waitqueue lock.
This was a carry forward from v3.10-rt, with some RT specific chunks,
dropped, and updated to align
From: Paul Gortmaker
Completions have no long lasting callbacks and therefore do not need
the complex waitqueue variant. Use simple waitqueues which reduces
the contention on the waitqueue lock.
This was a carry forward from v3.10-rt, with some RT specific chunks,
On Wed, Sep 09, 2015 at 02:05:29PM +0200, Daniel Wagner wrote:
> @@ -50,10 +50,10 @@ void complete_all(struct completion *x)
> {
> unsigned long flags;
>
> - spin_lock_irqsave(>wait.lock, flags);
> + raw_spin_lock_irqsave(>wait.lock, flags);
> x->done += UINT_MAX/2;
> -
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