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Date: Wed, 9 Sep 2020 18:12:11 +0200
From: Gerald Schaefer <gerald.schaefer@...ux.ibm.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Mike Rapoport <rppt@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Dave Hansen <dave.hansen@...ux.intel.com>,
linux-mm <linux-mm@...ck.org>, Paul Mackerras <paulus@...ba.org>,
linux-sparc <sparclinux@...r.kernel.org>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Claudio Imbrenda <imbrenda@...ux.ibm.com>,
Will Deacon <will@...nel.org>,
linux-arch <linux-arch@...r.kernel.org>,
linux-s390 <linux-s390@...r.kernel.org>,
Vasily Gorbik <gor@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ibm.com>,
Richard Weinberger <richard@....at>,
linux-x86 <x86@...nel.org>, Russell King <linux@...linux.org.uk>,
Jason Gunthorpe <jgg@...pe.ca>, Ingo Molnar <mingo@...hat.com>,
Catalin Marinas <catalin.marinas@....com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Heiko Carstens <hca@...ux.ibm.com>,
Arnd Bergmann <arnd@...db.de>,
John Hubbard <jhubbard@...dia.com>,
Jeff Dike <jdike@...toit.com>,
linux-um <linux-um@...ts.infradead.org>,
Borislav Petkov <bp@...en8.de>,
Andy Lutomirski <luto@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
linux-arm <linux-arm-kernel@...ts.infradead.org>,
linux-power <linuxppc-dev@...ts.ozlabs.org>,
LKML <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table
folding
On Tue, 8 Sep 2020 19:36:50 +0200
Gerald Schaefer <gerald.schaefer@...ux.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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