From: Jason Gunthorpe <jgg@ziepe.ca>
To: Christoph Hellwig <hch@lst.de>
Cc: x86@kernel.org, Rich Felker <dalias@libc.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
linux-sh@vger.kernel.org, James Hogan <jhogan@kernel.org>,
linuxppc-dev@lists.ozlabs.org,
Khalid Aziz <khalid.aziz@oracle.com>,
Nicholas Piggin <npiggin@gmail.com>,
linux-mips@vger.kernel.org, linux-mm@kvack.org,
Paul Burton <paul.burton@mips.com>,
Paul Mackerras <paulus@samba.org>,
Andrey Konovalov <andreyknvl@google.com>,
sparclinux@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/16] mm: lift the x86_32 PAE version of gup_get_pte to common code
Date: Fri, 21 Jun 2019 10:45:31 -0300 [thread overview]
Message-ID: <20190621134531.GN19891@ziepe.ca> (raw)
In-Reply-To: <20190611144102.8848-4-hch@lst.de>
On Tue, Jun 11, 2019 at 04:40:49PM +0200, Christoph Hellwig wrote:
> The split low/high access is the only non-READ_ONCE version of
> gup_get_pte that did show up in the various arch implemenations.
> Lift it to common code and drop the ifdef based arch override.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/pgtable-3level.h | 47 ------------------------
> arch/x86/kvm/mmu.c | 2 +-
> mm/Kconfig | 3 ++
> mm/gup.c | 51 ++++++++++++++++++++++++---
> 5 files changed, 52 insertions(+), 52 deletions(-)
Yep, the sh and mips conversions look right too.
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
> diff --git a/mm/Kconfig b/mm/Kconfig
> index f0c76ba47695..fe51f104a9e0 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -762,6 +762,9 @@ config GUP_BENCHMARK
>
> See tools/testing/selftests/vm/gup_benchmark.c
>
> +config GUP_GET_PTE_LOW_HIGH
> + bool
> +
The config name seems a bit out of place though, should it be prefixed
with GENERIC_ or ARCH_?
Jason
next prev parent reply other threads:[~2019-06-21 13:52 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-11 14:40 switch the remaining architectures to use generic GUP v3 Christoph Hellwig
2019-06-11 14:40 ` [PATCH 01/16] mm: use untagged_addr() for get_user_pages_fast addresses Christoph Hellwig
2019-06-11 19:22 ` Khalid Aziz
2019-06-21 13:16 ` Jason Gunthorpe
2019-06-21 13:39 ` Jason Gunthorpe
2019-06-21 15:35 ` Khalid Aziz
2019-06-21 15:54 ` Jason Gunthorpe
2019-06-25 7:41 ` Christoph Hellwig
2019-06-25 7:43 ` Christoph Hellwig
2019-06-11 14:40 ` [PATCH 02/16] mm: simplify gup_fast_permitted Christoph Hellwig
2019-06-21 13:40 ` Jason Gunthorpe
2019-06-11 14:40 ` [PATCH 03/16] mm: lift the x86_32 PAE version of gup_get_pte to common code Christoph Hellwig
2019-06-21 13:45 ` Jason Gunthorpe [this message]
2019-06-11 14:40 ` [PATCH 04/16] MIPS: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-21 14:05 ` Jason Gunthorpe
2019-06-25 7:46 ` Christoph Hellwig
2019-06-11 14:40 ` [PATCH 05/16] sh: add the missing pud_page definition Christoph Hellwig
2019-06-11 14:40 ` [PATCH 06/16] sh: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-11 14:40 ` [PATCH 07/16] sparc64: add the missing pgd_page definition Christoph Hellwig
2019-06-11 14:40 ` [PATCH 08/16] sparc64: define untagged_addr() Christoph Hellwig
2019-06-11 19:23 ` Khalid Aziz
2019-06-11 14:40 ` [PATCH 09/16] sparc64: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-11 19:35 ` Khalid Aziz
2019-06-11 14:40 ` [PATCH 10/16] mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP Christoph Hellwig
2019-06-11 19:35 ` Khalid Aziz
2019-06-21 14:28 ` Jason Gunthorpe
2019-06-25 7:50 ` Christoph Hellwig
2019-06-11 14:40 ` [PATCH 11/16] mm: consolidate the get_user_pages* implementations Christoph Hellwig
2019-06-21 14:41 ` Jason Gunthorpe
2019-06-25 7:56 ` Christoph Hellwig
2019-06-25 11:56 ` Jason Gunthorpe
2019-06-11 14:40 ` [PATCH 12/16] mm: validate get_user_pages_fast flags Christoph Hellwig
2019-06-11 14:40 ` [PATCH 13/16] mm: move the powerpc hugepd code to mm/gup.c Christoph Hellwig
2019-06-11 14:41 ` [PATCH 14/16] mm: switch gup_hugepte to use try_get_compound_head Christoph Hellwig
2019-06-11 14:41 ` [PATCH 15/16] mm: mark the page referenced in gup_hugepte Christoph Hellwig
2019-06-11 14:41 ` [PATCH 16/16] mm: pass get_user_pages_fast iterator arguments in a structure Christoph Hellwig
2019-06-12 0:52 ` Nicholas Piggin
2019-06-12 1:09 ` Linus Torvalds
2019-06-20 12:18 ` Nicholas Piggin
2019-06-20 17:21 ` Linus Torvalds
2019-06-21 8:15 ` Christoph Hellwig
2019-06-21 23:55 ` Nicholas Piggin
2019-06-21 8:29 ` Nicholas Piggin
2019-06-12 1:27 ` Nadav Amit
2019-06-20 11:45 ` switch the remaining architectures to use generic GUP v3 Christoph Hellwig
2019-06-21 14:43 ` Jason Gunthorpe
2019-06-25 14:36 switch the remaining architectures to use generic GUP v4 Christoph Hellwig
2019-06-25 14:37 ` [PATCH 03/16] mm: lift the x86_32 PAE version of gup_get_pte to common code Christoph Hellwig
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