On 16/06/15 14:13, David Vrabel wrote:
> On 16/06/15 13:57, Julien Grall wrote:
>> On 16/06/15 12:59, Jan Beulich wrote:
>> On 16.06.15 at 13:14, wrote:
On 15/06/2015 16:48, David Vrabel wrote:
> diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
> index 44ea92d..a0ff9
On 16/06/15 13:57, Julien Grall wrote:
> On 16/06/15 12:59, Jan Beulich wrote:
> On 16.06.15 at 13:14, wrote:
>>> On 15/06/2015 16:48, David Vrabel wrote:
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 44ea92d..a0ff9d2 100644
--- a/xen/include/xen/sched.h
>
On 16/06/15 12:59, Jan Beulich wrote:
On 16.06.15 at 13:14, wrote:
>> On 15/06/2015 16:48, David Vrabel wrote:
>>> diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
>>> index 44ea92d..a0ff9d2 100644
>>> --- a/xen/include/xen/sched.h
>>> +++ b/xen/include/xen/sched.h
>>> @@ -129,7
>>> On 16.06.15 at 13:14, wrote:
> On 15/06/2015 16:48, David Vrabel wrote:
>> diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
>> index 44ea92d..a0ff9d2 100644
>> --- a/xen/include/xen/sched.h
>> +++ b/xen/include/xen/sched.h
>> @@ -129,7 +129,7 @@ struct evtchn
>> #endif
>>
Hi David,
On 15/06/2015 16:48, David Vrabel wrote:
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 44ea92d..a0ff9d2 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -129,7 +129,7 @@ struct evtchn
#endif
} ssid;
#endif
-};
+} __attribute__((alig
>>> On 15.06.15 at 17:48, wrote:
> The number of struct evtchn in a page must be a power of two. Under
> some workloads performance is improved slightly by padding struct
> evtchn to 64 bytes (a cache line), thus putting the per-channel locks
> into their own cache line.
>
> This does not decrea
The number of struct evtchn in a page must be a power of two. Under
some workloads performance is improved slightly by padding struct
evtchn to 64 bytes (a cache line), thus putting the per-channel locks
into their own cache line.
This does not decrease the number of struct evtchn's per-page.
Si
