qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/3] Object-based physical memory management
Date: Wed, 27 May 2009 17:54:47 +0300	[thread overview]
Message-ID: <4A1D5437.7080300@redhat.com> (raw)
In-Reply-To: <4A1D4965.2020309@us.ibm.com>

Anthony Liguori wrote:
> Avi Kivity wrote:
>> Currently, qemu manages physical memory at a page granularity (and with
>> subpage, at a byte granularity).  This is expensive in memory and 
>> runtime
>> (requiring 8 bytes per page, and likely a cache miss on access), and is
>> difficult to manage: devices must remember their ranges so they can free
>> them, and the memory system has no insight into how memory is laid out.
>>
>> This patchset introduces object-based memory management.  The first 
>> patch
>> adds objects and functions for memory regions; the second patch wraps 
>> this
>> for PCI; and the third converts RTL8139 as an example.
>>   
>
> I like the basic notion here.  Instead of introducing the API and 
> converting one user, I'd rather do a flag day and convert everything.

I agree, just getting this out to collect feedback (and to undust this 
month-old branch).

-- 
error compiling committee.c: too many arguments to function

      reply	other threads:[~2009-05-27 14:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-24  9:29 [Qemu-devel] [PATCH 0/3] Object-based physical memory management Avi Kivity
2009-05-24  9:29 ` [Qemu-devel] [PATCH 1/3] Add PhysicalMemoryRegion type Avi Kivity
2009-05-27 14:16   ` Christoph Hellwig
2009-05-27 15:07     ` Avi Kivity
2009-05-24  9:29 ` [Qemu-devel] [PATCH 2/3] Add PCI memory region registration Avi Kivity
2009-05-27 14:08   ` Anthony Liguori
2009-05-27 15:02     ` Avi Kivity
2009-05-27 15:11       ` Anthony Liguori
2009-05-27 15:24         ` Avi Kivity
2009-05-27 22:33           ` Anthony Liguori
2009-05-31 11:02             ` Christoph Hellwig
2009-05-31 11:50               ` Avi Kivity
2009-05-31 11:47             ` Avi Kivity
2009-05-31 13:52               ` Anthony Liguori
2009-05-31 13:03             ` Avi Kivity
2009-05-24  9:29 ` [Qemu-devel] [PATCH 3/3] Convert RTL8139 to use PCI memory regitration facility Avi Kivity
2009-05-27 14:08 ` [Qemu-devel] [PATCH 0/3] Object-based physical memory management Anthony Liguori
2009-05-27 14:54   ` Avi Kivity [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=4A1D5437.7080300@redhat.com \
    --to=avi@redhat.com \
    --cc=aliguori@us.ibm.com \
    --cc=qemu-devel@nongnu.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).