From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
the arch/x86 maintainers <x86@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Dave Hansen <dave.hansen@intel.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Steve Capper <steve.capper@linaro.org>,
Dann Frazier <dann.frazier@canonical.com>,
Catalin Marinas <catalin.marinas@arm.com>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/7] Switch x86 to generic get_user_pages_fast() implementation
Date: Thu, 16 Mar 2017 11:03:07 -0700 [thread overview]
Message-ID: <CA+55aFxh7E4OzCUgN-42jYzQGXCZEUoT8dZfnmkGTXi6fxrbmw@mail.gmail.com> (raw)
In-Reply-To: <20170316152655.37789-1-kirill.shutemov@linux.intel.com>
On Thu, Mar 16, 2017 at 8:26 AM, Kirill A. Shutemov
<kirill.shutemov@linux.intel.com> wrote:
>
> The patcheset generalize mm/gup.c implementation of get_user_pages_fast()
> to be usable for x86 and switches x86 over.
Thanks for doing this, it looks good and removes more lines than it adds.
And despite removing lines, it should make it easier for other
architectures to support devmap if they ever want to. I hadn't even
noticed that difference in the GUP implementations.
Linus
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next prev parent reply other threads:[~2017-03-16 18:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 15:26 Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 1/7] mm: Drop arch_pte_access_permitted() mmu hook Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 2/7] mm/gup: Move permission checks into helpers Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 3/7] mm/gup: Move page table entry dereference into helper Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 4/7] mm/gup: Make pages referenced during generic get_user_pages_fast() Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 5/7] mm/gup: Implement dev_pagemap logic in " Kirill A. Shutemov
2017-03-17 17:27 ` Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 6/7] mm/gup: Provide hook to check if __GUP_fast() is allowed for the range Kirill A. Shutemov
2017-03-16 15:26 ` [PATCH 7/7] x86/mm: Switch to generic get_user_page_fast() implementation Kirill A. Shutemov
2017-03-16 17:20 ` Peter Zijlstra
2017-03-16 19:11 ` Paul E. McKenney
2017-03-16 21:39 ` [PATCHv2 " Kirill A. Shutemov
2017-03-17 17:27 ` Kirill A. Shutemov
2017-03-16 18:03 ` Linus Torvalds [this message]
2017-03-17 8:31 ` [PATCH 0/7] Switch x86 to generic get_user_pages_fast() implementation Ingo Molnar
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