Thread (48 messages) 48 messages, 9 authors, 2021-08-27

Re: [PATCH v15 06/12] swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing

From: Konrad Rzeszutek Wilk <hidden>
Date: 2021-07-06 17:02:16
Also in: dri-devel, intel-gfx, linux-devicetree, linux-iommu, linux-pci, lkml, xen-devel

On Tue, Jul 06, 2021 at 05:57:21PM +0100, Will Deacon wrote:
On Tue, Jul 06, 2021 at 10:46:07AM -0400, Konrad Rzeszutek Wilk wrote:
quoted
On Tue, Jul 06, 2021 at 04:05:13PM +0200, Christoph Hellwig wrote:
quoted
On Tue, Jul 06, 2021 at 03:01:04PM +0100, Robin Murphy wrote:
quoted
FWIW I was pondering the question of whether to do something along those 
lines or just scrap the default assignment entirely, so since I hadn't got 
round to saying that I've gone ahead and hacked up the alternative 
(similarly untested) for comparison :)

TBH I'm still not sure which one I prefer...
Claire did implement something like your suggestion originally, but
I don't really like it as it doesn't scale for adding multiple global
pools, e.g. for the 64-bit addressable one for the various encrypted
secure guest schemes.
Couple of things:
 - I am not pushing to Linus the Claire's patchset until we have a
   resolution on this. I hope you all agree that is a sensible way
   forward as much as I hate doing that.
Sure, it's a pity but we could clearly use a bit more time to get these
just right and we've run out of time for 5.14.

I think the main question I have is how would you like to see patches for
5.15? i.e. as patches on top of devel/for-linus-5.14 or something else?
Yes that would be perfect. If there are any dependencies on the rc1, I
can rebase it on top of that.
Cheers,

Will
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