search for: vmf_insert_pfn_prot

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...