Displaying 4 results from an estimated 4 matches for "vmf_insert_pfn_prot".
2024 Jan 24
1
[PATCH] mm: Remove double faults once write a device pfn
"Zhou, Xianrong" <Xianrong.Zhou at amd.com> writes:
> [AMD Official Use Only - General]
>
>> >>>>> The vmf_insert_pfn_prot could cause unnecessary double faults on a
>> >>>>> device pfn. Because currently the vmf_insert_pfn_prot does not
>> >>>>> make the pfn writable so the pte entry is normally read-only or
>> >>>>> dirty catching.
>> >>>&g...
2024 Jan 24
2
[PATCH] mm: Remove double faults once write a device pfn
Am 24.01.24 um 03:43 schrieb Zhou, Xianrong:
> [AMD Official Use Only - General]
>
>>>>> The vmf_insert_pfn_prot could cause unnecessary double faults on a
>>>>> device pfn. Because currently the vmf_insert_pfn_prot does not make
>>>>> the pfn writable so the pte entry is normally read-only or dirty
>>>>> catching.
>>>> What? How do you got to this conc...
2024 Jan 23
2
[PATCH] mm: Remove double faults once write a device pfn
Am 23.01.24 um 09:33 schrieb Zhou, Xianrong:
> [AMD Official Use Only - General]
>
>>> The vmf_insert_pfn_prot could cause unnecessary double faults on a
>>> device pfn. Because currently the vmf_insert_pfn_prot does not make
>>> the pfn writable so the pte entry is normally read-only or dirty
>>> catching.
>> What? How do you got to this conclusion?
> Sorry. I did not me...
2024 Jan 22
2
[PATCH] mm: Remove double faults once write a device pfn
Am 22.01.24 um 04:32 schrieb Xianrong Zhou:
> The vmf_insert_pfn_prot could cause unnecessary double faults
> on a device pfn. Because currently the vmf_insert_pfn_prot does
> not make the pfn writable so the pte entry is normally read-only
> or dirty catching.
What? How do you got to this conclusion?
> The first fault only sets up the pte entry which a...