From: Anthony Liguori <anthony@codemonkey.ws>
To: Blue Swirl <blauwirbel@gmail.com>
Cc: qemu-devel@nongnu.org, chrisw@redhat.com,
Gerd Hoffmann <kraxel@redhat.com>,
kvm@vger.kernel.org, avi@redhat.com
Subject: Re: [Qemu-devel] [PATCH 2 of 5] add can_dma/post_dma for direct IO
Date: Fri, 12 Dec 2008 14:10:02 -0600 [thread overview]
Message-ID: <4942C51A.4030601@codemonkey.ws> (raw)
In-Reply-To: <f43fc5580812121205p7d6cc2fjb8c918e4f3b44019@mail.gmail.com>
Blue Swirl wrote:
> On 12/12/08, Anthony Liguori <anthony@codemonkey.ws> wrote:
>
>> I think we should go back to Fabrice's earliest suggestion here. We should
>> just have a simple map/unmap lock/unlock API for physical memory. That
>> should be the base API IMHO.
>>
>
> Beautiful!
>
>
>> As long the map function goes from guest physical => host virtual, it can
>> work for everything we care about.
>>
>> This is orthogonal to an API dealing with scatter/gather lists and
>> translation to and from them.
>>
>
> So again we tried to solve too many problems at once.
>
Yup.
Regards,
Anthony Liguori
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <anthony@codemonkey.ws>
To: Blue Swirl <blauwirbel@gmail.com>
Cc: chrisw@redhat.com, avi@redhat.com, qemu-devel@nongnu.org,
kvm@vger.kernel.org, Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2 of 5] add can_dma/post_dma for direct IO
Date: Fri, 12 Dec 2008 14:10:02 -0600 [thread overview]
Message-ID: <4942C51A.4030601@codemonkey.ws> (raw)
In-Reply-To: <f43fc5580812121205p7d6cc2fjb8c918e4f3b44019@mail.gmail.com>
Blue Swirl wrote:
> On 12/12/08, Anthony Liguori <anthony@codemonkey.ws> wrote:
>
>> I think we should go back to Fabrice's earliest suggestion here. We should
>> just have a simple map/unmap lock/unlock API for physical memory. That
>> should be the base API IMHO.
>>
>
> Beautiful!
>
>
>> As long the map function goes from guest physical => host virtual, it can
>> work for everything we care about.
>>
>> This is orthogonal to an API dealing with scatter/gather lists and
>> translation to and from them.
>>
>
> So again we tried to solve too many problems at once.
>
Yup.
Regards,
Anthony Liguori
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2008-12-12 20:10 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-12 18:16 [PATCH 0 of 5] dma api v3 Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 18:16 ` [PATCH 1 of 5] fix cpu_physical_memory len Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 19:06 ` Anthony Liguori
2008-12-12 19:06 ` [Qemu-devel] " Anthony Liguori
2008-12-12 19:26 ` Andrea Arcangeli
2008-12-12 19:26 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 18:16 ` [PATCH 2 of 5] add can_dma/post_dma for direct IO Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 19:00 ` Blue Swirl
2008-12-12 19:00 ` Blue Swirl
2008-12-12 19:18 ` Anthony Liguori
2008-12-12 19:18 ` Anthony Liguori
2008-12-12 20:05 ` Blue Swirl
2008-12-12 20:10 ` Anthony Liguori [this message]
2008-12-12 20:10 ` Anthony Liguori
2008-12-12 19:15 ` Anthony Liguori
2008-12-12 19:15 ` [Qemu-devel] " Anthony Liguori
2008-12-12 19:37 ` Andrea Arcangeli
2008-12-12 19:37 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 20:09 ` Anthony Liguori
2008-12-12 20:09 ` [Qemu-devel] " Anthony Liguori
2008-12-12 20:25 ` Gerd Hoffmann
2008-12-12 20:25 ` [Qemu-devel] " Gerd Hoffmann
2008-12-12 19:39 ` Anthony Liguori
2008-12-12 19:39 ` [Qemu-devel] " Anthony Liguori
2008-12-13 9:22 ` Avi Kivity
2008-12-13 9:22 ` Avi Kivity
2008-12-13 16:45 ` Anthony Liguori
2008-12-13 16:45 ` Anthony Liguori
2008-12-13 19:48 ` Avi Kivity
2008-12-13 19:48 ` Avi Kivity
2008-12-13 21:07 ` Anthony Liguori
2008-12-13 21:07 ` Anthony Liguori
2008-12-14 6:03 ` Avi Kivity
2008-12-14 6:03 ` Avi Kivity
2008-12-14 19:10 ` Anthony Liguori
2008-12-14 19:10 ` Anthony Liguori
2008-12-14 19:49 ` Avi Kivity
2008-12-14 19:49 ` Avi Kivity
2008-12-14 23:08 ` Anthony Liguori
2008-12-14 23:08 ` Anthony Liguori
2008-12-15 0:57 ` Paul Brook
2008-12-15 0:57 ` Paul Brook
2008-12-15 2:09 ` Anthony Liguori
2008-12-15 2:09 ` Anthony Liguori
2008-12-15 6:23 ` Avi Kivity
2008-12-15 6:23 ` Avi Kivity
2008-12-15 18:35 ` Blue Swirl
2008-12-15 18:35 ` Blue Swirl
2008-12-15 22:06 ` Anthony Liguori
2008-12-15 22:06 ` Anthony Liguori
2008-12-16 9:41 ` Avi Kivity
2008-12-16 9:41 ` Avi Kivity
2008-12-16 16:55 ` Blue Swirl
2008-12-16 16:55 ` Blue Swirl
2008-12-16 17:09 ` Avi Kivity
2008-12-16 17:09 ` Avi Kivity
2008-12-16 17:48 ` Anthony Liguori
2008-12-16 17:48 ` Anthony Liguori
2008-12-16 18:11 ` Blue Swirl
2008-12-16 18:11 ` Blue Swirl
2008-12-16 15:57 ` Blue Swirl
2008-12-16 15:57 ` Blue Swirl
2008-12-16 16:29 ` Paul Brook
2008-12-16 16:29 ` Paul Brook
2008-12-16 16:35 ` Blue Swirl
2008-12-16 16:35 ` Blue Swirl
2008-12-14 17:30 ` Jamie Lokier
2008-12-14 17:30 ` Jamie Lokier
2008-12-13 14:39 ` Andrea Arcangeli
2008-12-13 14:39 ` [Qemu-devel] " Andrea Arcangeli
2008-12-13 16:46 ` Anthony Liguori
2008-12-13 16:46 ` [Qemu-devel] " Anthony Liguori
2008-12-13 16:53 ` Andrea Arcangeli
2008-12-13 16:53 ` [Qemu-devel] " Andrea Arcangeli
2008-12-13 17:54 ` Andreas Färber
2008-12-13 21:11 ` Anthony Liguori
2008-12-13 21:11 ` [Qemu-devel] " Anthony Liguori
2008-12-14 16:47 ` Andrea Arcangeli
2008-12-14 16:47 ` [Qemu-devel] " Andrea Arcangeli
2008-12-14 17:01 ` Avi Kivity
2008-12-14 17:01 ` [Qemu-devel] " Avi Kivity
2008-12-14 17:15 ` Andrea Arcangeli
2008-12-14 17:15 ` [Qemu-devel] " Andrea Arcangeli
2008-12-14 19:59 ` Avi Kivity
2008-12-14 19:59 ` [Qemu-devel] " Avi Kivity
2008-12-22 16:44 ` Ian Jackson
2008-12-22 16:44 ` Ian Jackson
2008-12-22 19:44 ` Avi Kivity
2008-12-23 0:03 ` Thiemo Seufer
2008-12-23 1:02 ` Andrea Arcangeli
2008-12-23 1:02 ` Andrea Arcangeli
2008-12-23 17:31 ` Avi Kivity
2008-12-23 17:31 ` Avi Kivity
2008-12-22 19:46 ` Avi Kivity
2009-01-05 10:27 ` Gerd Hoffmann
2009-01-05 10:27 ` Gerd Hoffmann
2008-12-13 22:47 ` Anthony Liguori
2008-12-13 22:47 ` [Qemu-devel] " Anthony Liguori
2008-12-14 6:07 ` Avi Kivity
2008-12-14 6:07 ` [Qemu-devel] " Avi Kivity
2008-12-12 18:16 ` [PATCH 3 of 5] rename dma.c to isa_dma.c Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 18:16 ` [PATCH 4 of 5] dma api Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
2008-12-12 18:55 ` Blue Swirl
2008-12-12 18:55 ` Blue Swirl
2008-12-12 18:16 ` [PATCH 5 of 5] bdrv_aio_readv/writev Andrea Arcangeli
2008-12-12 18:16 ` [Qemu-devel] " Andrea Arcangeli
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