From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Cc: 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-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCHv2 7/7] x86/mm: Switch to generic get_user_page_fast() implementation
Date: Fri, 17 Mar 2017 20:27:57 +0300 [thread overview]
Message-ID: <20170317172757.dcfdq7ydqd2yenfg@black.fi.intel.com> (raw)
In-Reply-To: <20170316213906.89528-1-kirill.shutemov@linux.intel.com>
On Fri, Mar 17, 2017 at 12:39:06AM +0300, Kirill A. Shutemov wrote:
> The patch provides all required hooks to match generic
> get_user_pages_fast() behaviour to x86 and switch x86 over.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
> v2:
> - Fix build on non-PAE 32-bit x86;
Fixup for allmodconfig on x86-64:
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index e55fe9475979..e1a0a1fb5971 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -230,13 +230,13 @@ static inline int pud_devmap(pud_t pud)
{
return 0;
}
+#endif
static inline int pgd_devmap(pgd_t pgd)
{
return 0;
}
#endif
-#endif
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
static inline pte_t pte_set_flags(pte_t pte, pteval_t set)
--
Kirill A. Shutemov
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next prev parent reply other threads:[~2017-03-17 17:28 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 15:26 [PATCH 0/7] Switch x86 to generic get_user_pages_fast() implementation 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 [this message]
2017-03-16 18:03 ` [PATCH 0/7] Switch x86 to generic get_user_pages_fast() implementation Linus Torvalds
2017-03-17 8:31 ` Ingo Molnar
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