linux-kernel - Re: [PATCH 00/23] userfaultfd v4

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Message-ID: <5559F61A.2020206@parallels.com>
Date:	Mon, 18 May 2015 17:24:26 +0300
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
	<qemu-devel@...gnu.org>, <kvm@...r.kernel.org>,
	<linux-api@...r.kernel.org>
CC:	Sanidhya Kashyap <sanidhya.gatech@...il.com>,
	<zhang.zhanghailiang@...wei.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Andres Lagar-Cavilla <andreslc@...gle.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Andy Lutomirski <luto@...capital.net>,
	Hugh Dickins <hughd@...gle.com>,
	Peter Feiner <pfeiner@...gle.com>,
	"Dr. David Alan Gilbert" <dgilbert@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	"Huangpeng (Peter)" <peter.huangpeng@...wei.com>
Subject: Re: [PATCH 00/23] userfaultfd v4

On 05/14/2015 08:30 PM, Andrea Arcangeli wrote:
> Hello everyone,
> 
> This is the latest userfaultfd patchset against mm-v4.1-rc3
> 2015-05-14-10:04.
> 
> The postcopy live migration feature on the qemu side is mostly ready
> to be merged and it entirely depends on the userfaultfd syscall to be
> merged as well. So it'd be great if this patchset could be reviewed
> for merging in -mm.
> 
> Userfaults allow to implement on demand paging from userland and more
> generally they allow userland to more efficiently take control of the
> behavior of page faults than what was available before
> (PROT_NONE + SIGSEGV trap).

Not to spam with 23 e-mails, all patches are

Acked-by: Pavel Emelyanov <xemul@...allels.com>

Thanks!

-- Pavel

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