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Date: Mon, 13 Mar 2017 12:46:26 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, "the arch/x86 maintainers" <x86@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Arnd Bergmann <arnd@...db.de>, "H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>, Dave Hansen <dave.hansen@...el.com>, Andy Lutomirski <luto@...capital.net>, Michal Hocko <mhocko@...e.com>, "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 0/6] x86: 5-level paging enabling for v4.12, Part 1 On Mon, Mar 13, 2017 at 7:33 AM, Kirill A. Shutemov <kirill.shutemov@...ux.intel.com> wrote: > Here's the first bunch of patches of 5-level patchset. Let's see if I'm on > right track addressing Ingo's feedback. :) Considering the bug we just had with the HAVE_GENERIC_RCU_GUP code, I'm wondering if people would be willing to look at what it would take to make x86 use the generic version? The x86 version of __get_user_pages_fast() seems to be quite similar to the generic one. And it would be lovely if all the main architectures shared the same core gup code. Linus
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