On 15.06.22 10:30, Philippe Gerum wrote:
>
> Jan Kiszka writes:
>
>> On 15.06.22 09:54, Philippe Gerum wrote:
>>>
>>> Jan Kiszka via Xenomai writes:
>>>
On 23.05.22 16:04, Gunter Grau via Xenomai wrote:
> From: Gunter Grau
>
> When mapping io memory into userspace an extra
Jan Kiszka writes:
> On 15.06.22 09:54, Philippe Gerum wrote:
>>
>> Jan Kiszka via Xenomai writes:
>>
>>> On 23.05.22 16:04, Gunter Grau via Xenomai wrote:
From: Gunter Grau
When mapping io memory into userspace an extra simulated pagefault for all
pages is added to
022 10:12
> To: Philippe Gerum ; Grau, Gunter
>
> Cc: xenomai@xenomai.org
> Subject: Re: [PATCH] rtdm/drvlib: Prevent pagefaults on arm on io mapping
>
> Caution: This e-mail originated from outside of Philips, be careful for
> phishing.
>
>
> On 15.06.22 09:54, Phili
On 15.06.22 09:54, Philippe Gerum wrote:
>
> Jan Kiszka via Xenomai writes:
>
>> On 23.05.22 16:04, Gunter Grau via Xenomai wrote:
>>> From: Gunter Grau
>>>
>>> When mapping io memory into userspace an extra simulated pagefault for all
>>> pages is added to prevent later pagefaults because of
Jan Kiszka via Xenomai writes:
> On 23.05.22 16:04, Gunter Grau via Xenomai wrote:
>> From: Gunter Grau
>>
>> When mapping io memory into userspace an extra simulated pagefault for all
>> pages is added to prevent later pagefaults because of copy on write
>> mechanisms. This happens only on
On 23.05.22 16:04, Gunter Grau via Xenomai wrote:
> From: Gunter Grau
>
> When mapping io memory into userspace an extra simulated pagefault for all
> pages is added to prevent later pagefaults because of copy on write
> mechanisms. This happens only on architectures that have defined the
>
