On 06/20/2013 05:13 PM, Thomas Gleixner wrote:
> On Thu, 20 Jun 2013, Chen Gang wrote:
>> > On 06/20/2013 03:47 PM, Thomas Gleixner wrote:
>> > ---
>> > If we assume "If there is nothing in tv2 which might come before the
>
On Thu, 20 Jun 2013, Chen Gang wrote:
> On 06/20/2013 03:47 PM, Thomas Gleixner wrote:
> ---
> If we assume "If there is nothing in tv2 which might come before the
> found timer, then any timer in tv3 will ..." is correct.
On 06/20/2013 03:47 PM, Thomas Gleixner wrote:
> On Tue, 18 Jun 2013, Chen Gang wrote:
>> > On 06/10/2013 10:12 PM, Thomas Gleixner wrote:
>> > I think we can treat original implementation as for speed optimization,
>> > so our discussion is "whether this speed optimization has effect with
>> > cor
On Tue, 18 Jun 2013, Chen Gang wrote:
> On 06/10/2013 10:12 PM, Thomas Gleixner wrote:
> I think we can treat original implementation as for speed optimization,
> so our discussion is "whether this speed optimization has effect with
> correctness".
Then I recommend that you to sit down and analyze
On 06/10/2013 10:12 PM, Thomas Gleixner wrote:
> On Sun, 9 Jun 2013, Chen Gang wrote:
>
>>
>> According to __internal_add_timer(), in _next_timer_interrupt(), when
>> 'tv1.vec' find one, but need 'cascade bucket(s)', we still need find
>> each slot of 'tv*.vec'.
>
> No, we do not. We only need to
Sorry again for replying late, and now I can focus on this patch, I will
see the related details again.
Thanks.
On 06/13/2013 11:39 AM, Chen Gang wrote:
>
> Sorry for replying late during these days, firstly.
>
>
> On 06/10/2013 10:12 PM, Thomas Gleixner wrote:
>> On Sun, 9 Jun 2013, Chen Ga
Sorry for replying late during these days, firstly.
On 06/10/2013 10:12 PM, Thomas Gleixner wrote:
> On Sun, 9 Jun 2013, Chen Gang wrote:
>
>> >
>> > According to __internal_add_timer(), in _next_timer_interrupt(), when
>> > 'tv1.vec' find one, but need 'cascade bucket(s)', we still need find
On Sun, 9 Jun 2013, Chen Gang wrote:
>
> According to __internal_add_timer(), in _next_timer_interrupt(), when
> 'tv1.vec' find one, but need 'cascade bucket(s)', we still need find
> each slot of 'tv*.vec'.
No, we do not. We only need to scan the first cascade array after the
enqueued timer. If
According to __internal_add_timer(), in _next_timer_interrupt(), when
'tv1.vec' find one, but need 'cascade bucket(s)', we still need find
each slot of 'tv*.vec'.
So need reset variable 'found', so can fully scan ''do {...} while()''
for 'tv*.vec'.
Signed-off-by: Chen Gang
---
kernel/timer.c
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