Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-12 Thread Keith Busch
On Tue, Feb 12, 2019 at 08:49:03AM +, Jonathan Cameron wrote: > On Mon, 11 Feb 2019 08:23:04 -0700 > Keith Busch wrote: > > > On Sun, Feb 10, 2019 at 09:19:58AM -0800, Jonathan Cameron wrote: > > > On Sat, 9 Feb 2019 09:20:53 +0100 > > > Brice Goglin wrote: > > > > > > > Hello Keith > > >

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-12 Thread Jonathan Cameron
On Mon, 11 Feb 2019 08:23:04 -0700 Keith Busch wrote: > On Sun, Feb 10, 2019 at 09:19:58AM -0800, Jonathan Cameron wrote: > > On Sat, 9 Feb 2019 09:20:53 +0100 > > Brice Goglin wrote: > > > > > Hello Keith > > > > > > Could we ever have a single side cache in front of two NUMA nodes ? I > >

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-12 Thread Brice Goglin
Le 11/02/2019 à 16:23, Keith Busch a écrit : > On Sun, Feb 10, 2019 at 09:19:58AM -0800, Jonathan Cameron wrote: >> On Sat, 9 Feb 2019 09:20:53 +0100 >> Brice Goglin wrote: >> >>> Hello Keith >>> >>> Could we ever have a single side cache in front of two NUMA nodes ? I >>> don't see a way to fin

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-11 Thread Keith Busch
On Sun, Feb 10, 2019 at 09:19:58AM -0800, Jonathan Cameron wrote: > On Sat, 9 Feb 2019 09:20:53 +0100 > Brice Goglin wrote: > > > Hello Keith > > > > Could we ever have a single side cache in front of two NUMA nodes ? I > > don't see a way to find that out in the current implementation. Would we

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-10 Thread Jonathan Cameron
On Sat, 9 Feb 2019 09:20:53 +0100 Brice Goglin wrote: > Hello Keith > > Could we ever have a single side cache in front of two NUMA nodes ? I > don't see a way to find that out in the current implementation. Would we > have an "id" and/or "nodemap" bitmask in the sidecache structure ? This is c

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-02-09 Thread Brice Goglin
Hello Keith Could we ever have a single side cache in front of two NUMA nodes ? I don't see a way to find that out in the current implementation. Would we have an "id" and/or "nodemap" bitmask in the sidecache structure ? Thanks Brice Le 16/01/2019 à 18:58, Keith Busch a écrit : > System memo

Re: [PATCHv4 10/13] node: Add memory caching attributes

2019-01-17 Thread Rafael J. Wysocki
On Wed, Jan 16, 2019 at 6:59 PM Keith Busch wrote: > > System memory may have side caches to help improve access speed to > frequently requested address ranges. While the system provided cache is > transparent to the software accessing these memory ranges, applications > can optimize their own acc