On Tue, Oct 12, 2021 at 03:56:29PM -0300, Jason Gunthorpe wrote:
> On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote:
> > On Tue, 12 Oct 2021 12:12:35 -0500 Alex Sierra wrote:
> >
> > > This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
> > > owned by a device that
Am 2021-10-12 um 3:03 p.m. schrieb Andrew Morton:
> On Tue, 12 Oct 2021 15:56:29 -0300 Jason Gunthorpe wrote:
>
>>> To what other uses will this infrastructure be put?
>>>
>>> Because I must ask: if this feature is for one single computer which
>>> presumably has a custom kernel, why add it to
On Tue, Oct 12, 2021 at 04:24:25PM -0400, Felix Kuehling wrote:
>
> Am 2021-10-12 um 3:11 p.m. schrieb Matthew Wilcox:
> > On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote:
> >> Because I must ask: if this feature is for one single computer which
> >> presumably has a custom kernel,
Am 2021-10-12 um 3:11 p.m. schrieb Matthew Wilcox:
> On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote:
>> Because I must ask: if this feature is for one single computer which
>> presumably has a custom kernel, why add it to mainline Linux?
> I think in particular patch 2 deserves to
On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote:
> Because I must ask: if this feature is for one single computer which
> presumably has a custom kernel, why add it to mainline Linux?
I think in particular patch 2 deserves to be merged because it removes
a ton of cruft from every
On Tue, 12 Oct 2021 15:56:29 -0300 Jason Gunthorpe wrote:
> > To what other uses will this infrastructure be put?
> >
> > Because I must ask: if this feature is for one single computer which
> > presumably has a custom kernel, why add it to mainline Linux?
>
> Well, it certainly isn't just
Am 2021-10-12 um 2:39 p.m. schrieb Andrew Morton:
> On Tue, 12 Oct 2021 12:12:35 -0500 Alex Sierra wrote:
>
>> This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
>> owned by a device that can be mapped into CPU page tables like
>> MEMORY_DEVICE_GENERIC and can also be migrated
On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote:
> On Tue, 12 Oct 2021 12:12:35 -0500 Alex Sierra wrote:
>
> > This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
> > owned by a device that can be mapped into CPU page tables like
> > MEMORY_DEVICE_GENERIC and can
On Tue, 12 Oct 2021 12:12:35 -0500 Alex Sierra wrote:
> This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
> owned by a device that can be mapped into CPU page tables like
> MEMORY_DEVICE_GENERIC and can also be migrated like MEMORY_DEVICE_PRIVATE.
> With
This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
owned by a device that can be mapped into CPU page tables like
MEMORY_DEVICE_GENERIC and can also be migrated like MEMORY_DEVICE_PRIVATE.
With MEMORY_DEVICE_COHERENT, we isolate the new memory type from other
subsystems as far
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