Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-16 Thread Chris Packham
On Tue, Oct 17, 2023 at 12:21 AM Marc Zyngier wrote: > > On Mon, 16 Oct 2023 02:42:08 +0100, > Chris Packham wrote: > > > > On Sun, Oct 15, 2023 at 10:29 AM Chris Packham > > wrote: > > > > > > > > > > > > On Sat, 14 Oct 2023, 11:04 am Marc Zyngier, wrote: > > >> > > >> On 2023-10-13 03:40, Ch

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-16 Thread Marc Zyngier
On Mon, 16 Oct 2023 02:42:08 +0100, Chris Packham wrote: > > On Sun, Oct 15, 2023 at 10:29 AM Chris Packham > wrote: > > > > > > > > On Sat, 14 Oct 2023, 11:04 am Marc Zyngier, wrote: > >> > >> On 2023-10-13 03:40, Chris Packham wrote: > >> > Hi Marc, Paul, > >> > > >> > On Sat, Mar 18, 2023 a

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-15 Thread Chris Packham
On Sun, Oct 15, 2023 at 10:29 AM Chris Packham wrote: > > > > On Sat, 14 Oct 2023, 11:04 am Marc Zyngier, wrote: >> >> On 2023-10-13 03:40, Chris Packham wrote: >> > Hi Marc, Paul, >> > >> > On Sat, Mar 18, 2023 at 5:23 AM Ying-Chun Liu (PaulLiu) >> > wrote: >> >> >> >> From: Marc Zyngier >> >>

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-15 Thread Chris Packham
On Sat, 14 Oct 2023, 11:04 am Marc Zyngier, wrote: > On 2023-10-13 03:40, Chris Packham wrote: > > Hi Marc, Paul, > > > > On Sat, Mar 18, 2023 at 5:23 AM Ying-Chun Liu (PaulLiu) > > wrote: > >> > >> From: Marc Zyngier > >> > >> Some recent arm64 cores have a facility that allows the page > >> t

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-13 Thread Marc Zyngier
On 2023-10-13 03:40, Chris Packham wrote: Hi Marc, Paul, On Sat, Mar 18, 2023 at 5:23 AM Ying-Chun Liu (PaulLiu) wrote: From: Marc Zyngier Some recent arm64 cores have a facility that allows the page table walker to track the dirty state of a page. This makes it really efficient to perform

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-10-12 Thread Chris Packham
Hi Marc, Paul, On Sat, Mar 18, 2023 at 5:23 AM Ying-Chun Liu (PaulLiu) wrote: > > From: Marc Zyngier > > Some recent arm64 cores have a facility that allows the page > table walker to track the dirty state of a page. This makes it > really efficient to perform CMOs by VA as we only need to look

Re: [PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-04-26 Thread Tom Rini
On Sat, Mar 18, 2023 at 12:22:51AM +0800, Ying-Chun Liu (PaulLiu) wrote: > From: Marc Zyngier > > Some recent arm64 cores have a facility that allows the page > table walker to track the dirty state of a page. This makes it > really efficient to perform CMOs by VA as we only need to look > at di

[PATCH 1/3] arm64: Use FEAT_HAFDBS to track dirty pages when available

2023-03-17 Thread Ying-Chun Liu (PaulLiu)
From: Marc Zyngier Some recent arm64 cores have a facility that allows the page table walker to track the dirty state of a page. This makes it really efficient to perform CMOs by VA as we only need to look at dirty pages. Signed-off-by: Marc Zyngier [ Paul: pick from the Android tree. Rebase to