From: "Michael S. Tsirkin" <mst@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>,
joro@8bytes.org, blauwirbel@gmail.com, paul@codesourcery.com,
anthony@codemonkey.ws, av1474@comtv.ru, yamahata@valinux.co.jp,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 4/7] ide: use the PCI memory access interface
Date: Thu, 2 Sep 2010 18:39:34 +0300 [thread overview]
Message-ID: <20100902153934.GE18182@redhat.com> (raw)
In-Reply-To: <4C7FC1A9.3080800@redhat.com>
On Thu, Sep 02, 2010 at 06:24:25PM +0300, Avi Kivity wrote:
> That's not a practical long term solution. Eventually everything
> gets turned on.
That's why I wanted a simple !iommu check and fallback.
This way unless it's really used there's no overhead.
> I don't really see a problem with the additional indirection. By
> the time we reach actual hardware to satisfy the request,
> we'll have gone through many such indirections; modern processors deal
> very well with them.
>
> --
> error compiling committee.c: too many arguments to function
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org, joro@8bytes.org, qemu-devel@nongnu.org,
blauwirbel@gmail.com, yamahata@valinux.co.jp,
paul@codesourcery.com,
Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Subject: [Qemu-devel] Re: [PATCH 4/7] ide: use the PCI memory access interface
Date: Thu, 2 Sep 2010 18:39:34 +0300 [thread overview]
Message-ID: <20100902153934.GE18182@redhat.com> (raw)
In-Reply-To: <4C7FC1A9.3080800@redhat.com>
On Thu, Sep 02, 2010 at 06:24:25PM +0300, Avi Kivity wrote:
> That's not a practical long term solution. Eventually everything
> gets turned on.
That's why I wanted a simple !iommu check and fallback.
This way unless it's really used there's no overhead.
> I don't really see a problem with the additional indirection. By
> the time we reach actual hardware to satisfy the request,
> we'll have gone through many such indirections; modern processors deal
> very well with them.
>
> --
> error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-09-02 15:45 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-28 14:54 [PATCH 0/7] AMD IOMMU emulation patchset v4 Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [PATCH 1/7] pci: expand tabs to spaces in pci_regs.h Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-31 20:29 ` Michael S. Tsirkin
2010-08-31 20:29 ` [Qemu-devel] " Michael S. Tsirkin
2010-08-31 22:58 ` Eduard - Gabriel Munteanu
2010-08-31 22:58 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-01 10:39 ` Michael S. Tsirkin
2010-09-01 10:39 ` [Qemu-devel] " Michael S. Tsirkin
2010-08-28 14:54 ` [PATCH 2/7] pci: memory access API and IOMMU support Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-02 5:28 ` Michael S. Tsirkin
2010-09-02 5:28 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-02 8:40 ` Eduard - Gabriel Munteanu
2010-09-02 8:40 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-02 9:49 ` Michael S. Tsirkin
2010-09-02 9:49 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-04 9:01 ` Blue Swirl
2010-09-04 9:01 ` [Qemu-devel] " Blue Swirl
2010-09-05 7:10 ` Michael S. Tsirkin
2010-09-05 7:10 ` [Qemu-devel] " Michael S. Tsirkin
2010-08-28 14:54 ` [PATCH 3/7] AMD IOMMU emulation Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-28 15:58 ` Blue Swirl
2010-08-28 15:58 ` [Qemu-devel] " Blue Swirl
2010-08-28 21:53 ` Eduard - Gabriel Munteanu
2010-08-28 21:53 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-29 20:37 ` Blue Swirl
2010-08-29 20:37 ` [Qemu-devel] " Blue Swirl
2010-08-30 3:07 ` [Qemu-devel] " Isaku Yamahata
2010-08-30 3:07 ` Isaku Yamahata
2010-08-30 5:54 ` Eduard - Gabriel Munteanu
2010-08-30 5:54 ` Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [PATCH 4/7] ide: use the PCI memory access interface Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-02 5:19 ` Michael S. Tsirkin
2010-09-02 5:19 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-02 9:12 ` Eduard - Gabriel Munteanu
2010-09-02 9:12 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-02 9:58 ` Michael S. Tsirkin
2010-09-02 9:58 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-02 15:01 ` Eduard - Gabriel Munteanu
2010-09-02 15:01 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-02 15:24 ` Avi Kivity
2010-09-02 15:24 ` [Qemu-devel] " Avi Kivity
2010-09-02 15:39 ` Michael S. Tsirkin [this message]
2010-09-02 15:39 ` Michael S. Tsirkin
2010-09-02 16:07 ` Avi Kivity
2010-09-02 16:07 ` [Qemu-devel] " Avi Kivity
2010-09-02 15:31 ` Michael S. Tsirkin
2010-09-02 15:31 ` [Qemu-devel] " Michael S. Tsirkin
2010-08-28 14:54 ` [PATCH 5/7] rtl8139: " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [PATCH 6/7] eepro100: " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [PATCH 7/7] ac97: " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-28 16:00 ` [PATCH 0/7] AMD IOMMU emulation patchset v4 Blue Swirl
2010-08-28 16:00 ` [Qemu-devel] " Blue Swirl
2010-08-29 9:55 ` Joerg Roedel
2010-08-29 9:55 ` [Qemu-devel] " Joerg Roedel
2010-08-29 20:44 ` Blue Swirl
2010-08-29 20:44 ` [Qemu-devel] " Blue Swirl
2010-08-29 22:08 ` [PATCH 2/7] pci: memory access API and IOMMU support Eduard - Gabriel Munteanu
2010-08-29 22:08 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-08-29 22:11 ` Eduard - Gabriel Munteanu
2010-08-29 22:11 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-01 20:10 ` [Qemu-devel] " Stefan Weil
2010-09-01 20:10 ` Stefan Weil
2010-09-02 6:00 ` Michael S. Tsirkin
2010-09-02 6:00 ` Michael S. Tsirkin
2010-09-02 9:08 ` Eduard - Gabriel Munteanu
2010-09-02 9:08 ` Eduard - Gabriel Munteanu
2010-09-02 13:24 ` Anthony Liguori
2010-09-02 13:24 ` Anthony Liguori
2010-09-02 8:51 ` Eduard - Gabriel Munteanu
2010-09-02 8:51 ` Eduard - Gabriel Munteanu
2010-09-02 16:05 ` Stefan Weil
2010-09-02 16:05 ` Stefan Weil
2010-09-02 16:14 ` Eduard - Gabriel Munteanu
2010-09-02 16:14 ` Eduard - Gabriel Munteanu
2010-09-13 20:01 ` [PATCH RFC] dma_rw.h (was Re: [PATCH 0/7] AMD IOMMU emulation patchset v4) Michael S. Tsirkin
2010-09-13 20:01 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-13 20:45 ` Anthony Liguori
2010-09-13 20:45 ` Anthony Liguori
2010-09-16 7:12 ` Eduard - Gabriel Munteanu
2010-09-16 7:12 ` Eduard - Gabriel Munteanu
2010-09-16 9:35 ` Michael S. Tsirkin
2010-09-16 9:35 ` Michael S. Tsirkin
2010-09-16 7:06 ` Eduard - Gabriel Munteanu
2010-09-16 7:06 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-16 9:20 ` Michael S. Tsirkin
2010-09-16 9:20 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-16 11:15 ` Eduard - Gabriel Munteanu
2010-09-16 11:15 ` [Qemu-devel] " Eduard - Gabriel Munteanu
-- strict thread matches above, loose matches on Subject: below --
2010-08-15 19:27 [PATCH 0/7] AMD IOMMU emulation patches v3 Eduard - Gabriel Munteanu
2010-08-15 19:27 ` [PATCH 4/7] ide: use the PCI memory access interface Eduard - Gabriel Munteanu
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=20100902153934.GE18182@redhat.com \
--to=mst@redhat.com \
--cc=anthony@codemonkey.ws \
--cc=av1474@comtv.ru \
--cc=avi@redhat.com \
--cc=blauwirbel@gmail.com \
--cc=eduard.munteanu@linux360.ro \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=paul@codesourcery.com \
--cc=qemu-devel@nongnu.org \
--cc=yamahata@valinux.co.jp \
/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.