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 > >
next prev parent 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 git clone --mirror https://lore.kernel.org/lkml/9 lkml/git/9.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