All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Jan Beulich" <JBeulich@suse.com>
To: Paul Durrant <paul.durrant@citrix.com>
Cc: George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH v2 4/4] x86/mm/p2m: stop checking for IOMMU shared page tables in mmio_order()
Date: Tue, 04 Dec 2018 08:51:53 -0700	[thread overview]
Message-ID: <5C06A2990200007800202C81@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <20181203174017.11956-5-paul.durrant@citrix.com>

>>> On 03.12.18 at 18:40, <paul.durrant@citrix.com> wrote:
> Now that the iommu_map() and iommu_unmap() operations take an order
> parameter and elide flushing there's no strong reason why modifying MMIO
> ranges in the p2m should be restricted to a 4k granularity simply because
> the IOMMU is enabled but shared page tables are not in operation.
> 
> Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Based on the other reply of yours:
Reviewed-by: Jan Beulich <jbeulich@suse.com>

Jan



_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

      parent reply	other threads:[~2018-12-04 15:51 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 17:40 [PATCH v2 0/4] iommu improvements Paul Durrant
2018-12-03 17:40 ` [PATCH v2 1/4] amd-iommu: add flush iommu_ops Paul Durrant
2018-12-04 14:24   ` Jan Beulich
2018-12-04 14:56     ` Paul Durrant
2018-12-03 17:40 ` [PATCH v2 2/4] iommu: rename wrapper functions Paul Durrant
2018-12-04 14:51   ` Jan Beulich
2018-12-04 15:00     ` Paul Durrant
2018-12-03 17:40 ` [PATCH v2 3/4] iommu: elide flushing for higher order map/unmap operations Paul Durrant
2018-12-04 15:16   ` Jan Beulich
2018-12-04 15:36     ` Paul Durrant
2018-12-04 16:01       ` Jan Beulich
2018-12-04 16:53         ` Paul Durrant
2018-12-04 17:20           ` Jan Beulich
2018-12-03 17:40 ` [PATCH v2 4/4] x86/mm/p2m: stop checking for IOMMU shared page tables in mmio_order() Paul Durrant
2018-12-04 15:20   ` Jan Beulich
2018-12-04 15:22     ` Paul Durrant
2018-12-04 15:36       ` Jan Beulich
2018-12-04 15:51   ` Jan Beulich [this message]

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=5C06A2990200007800202C81@prv1-mh.provo.novell.com \
    --to=jbeulich@suse.com \
    --cc=George.Dunlap@eu.citrix.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=paul.durrant@citrix.com \
    --cc=roger.pau@citrix.com \
    --cc=wei.liu2@citrix.com \
    --cc=xen-devel@lists.xenproject.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
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.