From: Dan Williams <dan.j.williams@intel.com>
To: Barret Rhoden <brho@google.com>
Cc: Dave Jiang <dave.jiang@intel.com>,
zwisler@kernel.org, Vishal L Verma <vishal.l.verma@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
rkrcmar@redhat.com, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, X86 ML <x86@kernel.org>,
KVM list <kvm@vger.kernel.org>,
"Zhang, Yu C" <yu.c.zhang@intel.com>,
"Zhang, Yi Z" <yi.z.zhang@intel.com>,
alexander.h.duyck@linux.intel.com
Subject: Re: [PATCH v2 0/3] kvm: Use huge pages for DAX-backed files
Date: Wed, 14 Nov 2018 16:55:54 -0800 [thread overview]
Message-ID: <CAPcyv4jga=HnsfHffWoo+JjRUBf3stD4VP3B5X5xSOZb=yh+Mw@mail.gmail.com> (raw)
In-Reply-To: <20181114215155.259978-1-brho@google.com>
[ add Alex who is looking into removing PageReserved for DAX pages. ]
On Wed, Nov 14, 2018 at 1:53 PM Barret Rhoden <brho@google.com> wrote:
>
> This patch series depends on dax pages not being PageReserved. Once
> that is in place, these changes will let KVM use huge pages with
> dax-backed files. Without the PageReserved change, KVM and DAX still
> work with these patches, simply without huge pages - which is the
> current situation.
>
> RFC/discussion thread:
> https://lore.kernel.org/lkml/20181029210716.212159-1-brho@google.com/
>
> v1 -> v2:
> https://lore.kernel.org/lkml/20181109203921.178363-1-brho@google.com/
>
> - Updated Acks/Reviewed-by
> - Minor touchups
> - Added patch to remove redundant PageReserved() check
> - Rebased onto linux-next
>
>
> Barret Rhoden (3):
> mm: make dev_pagemap_mapping_shift() externally visible
> kvm: Use huge pages for DAX-backed files
> kvm: remove redundant PageReserved() check
>
> arch/x86/kvm/mmu.c | 33 +++++++++++++++++++++++++++++++--
> include/linux/mm.h | 3 +++
> mm/memory-failure.c | 38 +++-----------------------------------
> mm/util.c | 34 ++++++++++++++++++++++++++++++++++
> virt/kvm/kvm_main.c | 8 ++------
> 5 files changed, 73 insertions(+), 43 deletions(-)
>
> --
> 2.19.1.1215.g8438c0b245-goog
>
next prev parent reply other threads:[~2018-11-15 0:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-09 20:39 [PATCH 0/2] kvm: Use huge pages for DAX-backed files Barret Rhoden
2018-11-09 20:39 ` [PATCH 1/2] mm: make dev_pagemap_mapping_shift() externally visible Barret Rhoden
[not found] ` <20181109203921.178363-2-brho-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2018-11-13 9:28 ` David Hildenbrand
2018-11-09 20:39 ` [PATCH 2/2] kvm: Use huge pages for DAX-backed files Barret Rhoden
2018-11-12 19:31 ` Paolo Bonzini
[not found] ` <861c4adb-e2f0-2caf-8f6e-9f09ecb0b624-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-11-13 16:21 ` Barret Rhoden
2018-11-13 18:22 ` Paolo Bonzini
[not found] ` <20181109203921.178363-3-brho-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2018-11-13 9:36 ` David Hildenbrand
[not found] ` <043a592d-6592-3053-15a0-68cc54a26deb-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-11-13 10:02 ` Pankaj Gupta
2018-11-13 12:41 ` Paolo Bonzini
[not found] ` <286665658.33247363.1542103353780.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-11-13 15:56 ` Barret Rhoden
2018-11-14 9:09 ` Pankaj Gupta
2018-11-13 15:50 ` Barret Rhoden
[not found] ` <20181109203921.178363-1-brho-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2018-11-14 21:51 ` [PATCH v2 0/3] " Barret Rhoden
[not found] ` <20181114215155.259978-1-brho-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2018-11-14 21:51 ` [PATCH v2 1/3] mm: make dev_pagemap_mapping_shift() externally visible Barret Rhoden
2018-11-26 16:50 ` Paolo Bonzini
2018-11-26 18:32 ` Dan Williams
2018-11-14 21:51 ` [PATCH v2 2/3] kvm: Use huge pages for DAX-backed files Barret Rhoden
2018-11-14 21:51 ` [PATCH v2 3/3] kvm: remove redundant PageReserved() check Barret Rhoden
2018-11-27 13:31 ` David Hildenbrand
2018-11-15 0:55 ` Dan Williams [this message]
2018-12-03 17:40 ` [PATCH v2 0/3] kvm: Use huge pages for DAX-backed files Barret Rhoden
[not found] ` <20181203124051.05c1d2ce-5rj//V2oKXqT+5UN0cW69VLMcqb5oVE02SarAXORi/o@public.gmane.org>
2018-12-03 18:32 ` Alexander Duyck
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