LKML Archive on lore.kernel.org
 help / color / Atom feed
From: Barret Rhoden <brho@google.com>
To: Dan Williams <dan.j.williams@intel.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: Mon, 3 Dec 2018 12:40:51 -0500
Message-ID: <20181203124051.05c1d2ce@gnomeregan.cam.corp.google.com> (raw)
In-Reply-To: <CAPcyv4jga=HnsfHffWoo+JjRUBf3stD4VP3B5X5xSOZb=yh+Mw@mail.gmail.com>

On 2018-11-14 at 16:55 Dan Williams <dan.j.williams@intel.com> wrote:
> [ add Alex who is looking into removing PageReserved for DAX pages. ]

Thanks.  I can keep my eye out for his patches and repost once that's
done.  

Alternatively, if you all want to merge this before the PageReserved /
DAX changes, then I can repost - just Ack/Review tags.  It's harmless
with the existing PageReserved behavior.

Thanks,

Barret


> 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
> >  


  reply index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-09 20:39 [PATCH 0/2] " Barret Rhoden
2018-11-09 20:39 ` [PATCH 1/2] mm: make dev_pagemap_mapping_shift() externally visible Barret Rhoden
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
2018-11-13 16:21     ` Barret Rhoden
2018-11-13 18:22       ` Paolo Bonzini
2018-11-13  9:36   ` David Hildenbrand
2018-11-13 10:02     ` Pankaj Gupta
2018-11-13 12:41       ` Paolo Bonzini
2018-11-13 15:56       ` Barret Rhoden
2018-11-14  9:09         ` Pankaj Gupta
2018-11-13 15:50     ` Barret Rhoden
2018-11-14 21:51 ` [PATCH v2 0/3] " Barret Rhoden
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   ` [PATCH v2 0/3] kvm: Use huge pages for DAX-backed files Dan Williams
2018-12-03 17:40     ` Barret Rhoden [this message]
2018-12-03 18:32       ` Alexander Duyck

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181203124051.05c1d2ce@gnomeregan.cam.corp.google.com \
    --to=brho@google.com \
    --cc=alexander.h.duyck@linux.intel.com \
    --cc=bp@alien8.de \
    --cc=dan.j.williams@intel.com \
    --cc=dave.jiang@intel.com \
    --cc=hpa@zytor.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvdimm@lists.01.org \
    --cc=mingo@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=rkrcmar@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=vishal.l.verma@intel.com \
    --cc=x86@kernel.org \
    --cc=yi.z.zhang@intel.com \
    --cc=yu.c.zhang@intel.com \
    --cc=zwisler@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

LKML Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/lkml/0 lkml/git/0.git
	git clone --mirror https://lore.kernel.org/lkml/1 lkml/git/1.git
	git clone --mirror https://lore.kernel.org/lkml/2 lkml/git/2.git
	git clone --mirror https://lore.kernel.org/lkml/3 lkml/git/3.git
	git clone --mirror https://lore.kernel.org/lkml/4 lkml/git/4.git
	git clone --mirror https://lore.kernel.org/lkml/5 lkml/git/5.git
	git clone --mirror https://lore.kernel.org/lkml/6 lkml/git/6.git
	git clone --mirror https://lore.kernel.org/lkml/7 lkml/git/7.git
	git clone --mirror https://lore.kernel.org/lkml/8 lkml/git/8.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 lkml lkml/ https://lore.kernel.org/lkml \
		linux-kernel@vger.kernel.org
	public-inbox-index lkml

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-kernel


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git