[RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding

Gerald Schaefer gerald.schaefer at linux.ibm.com
Wed Sep 9 12:12:11 EDT 2020

On Tue, 8 Sep 2020 19:36:50 +0200
Gerald Schaefer <gerald.schaefer at linux.ibm.com> wrote:

> It seems now that the generalization is very well accepted so far,
> apart from some apparent issues on arm. Also, merging 2 + 3 and
> putting them first seems to be acceptable, so we could do that for
> v3, if there are no objections.
> Of course, we first need to address the few remaining issues for
> arm(32?), which do look quite confusing to me so far. BTW, sorry for
> the compile error with patch 3, I guess we did the cross-compile only
> for 1 + 2 applied, to see the bloat-o-meter changes. But I guess
> patch 3 already proved its usefulness by that :-)

Umm, replace "arm" with "power", sorry. No issues on arm so far, but
also no ack I think.

Thanks to Christophe for the power change, and to Mike for volunteering
for some cross compilation and cross-arch testing. Will send v3 with
merged and re-ordered patches after some more testing.

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