From: mst@redhat.com (Michael S. Tsirkin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] virtio: Add platform bus driver for memory mapped virtio device
Date: Wed, 5 Oct 2011 08:39:45 -0200 [thread overview]
Message-ID: <20111005103944.GB5587@redhat.com> (raw)
In-Reply-To: <87aa9ggs4k.fsf@rustcorp.com.au>
On Wed, Oct 05, 2011 at 11:40:51AM +1030, Rusty Russell wrote:
> The absolute maximum is a ring of 32k elements, which is about 850k.
> That seems a little excessive, though.
Given that it must be physically contigious and each descriptor
is 64 byte in size + space for used and avail rings, yes it does :)
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Pawel Moll <pawel.moll@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"peter.maydell@linaro.org" <peter.maydell@linaro.org>,
Anthony Liguori <aliguori@us.ibm.com>
Subject: Re: [PATCH] virtio: Add platform bus driver for memory mapped virtio device
Date: Wed, 5 Oct 2011 08:39:45 -0200 [thread overview]
Message-ID: <20111005103944.GB5587@redhat.com> (raw)
In-Reply-To: <87aa9ggs4k.fsf@rustcorp.com.au>
On Wed, Oct 05, 2011 at 11:40:51AM +1030, Rusty Russell wrote:
> The absolute maximum is a ring of 32k elements, which is about 850k.
> That seems a little excessive, though.
Given that it must be physically contigious and each descriptor
is 64 byte in size + space for used and avail rings, yes it does :)
next prev parent reply other threads:[~2011-10-05 10:39 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-28 13:47 [PATCH] virtio: Add platform bus driver for memory mapped virtio device Pawel Moll
2011-09-28 13:47 ` Pawel Moll
2011-09-28 13:54 ` Pawel Moll
2011-09-28 13:54 ` Pawel Moll
2011-10-03 23:46 ` Rusty Russell
2011-10-03 23:46 ` Rusty Russell
2011-10-04 16:16 ` Pawel Moll
2011-10-04 16:16 ` Pawel Moll
2011-10-05 1:10 ` Rusty Russell
2011-10-05 1:10 ` Rusty Russell
2011-10-05 10:06 ` Pawel Moll
2011-10-05 10:06 ` Pawel Moll
2011-10-05 18:57 ` [PATCH v2] " Pawel Moll
2011-10-05 18:57 ` Pawel Moll
2011-10-06 16:50 ` [PATCH v3] " Pawel Moll
2011-10-06 16:50 ` Pawel Moll
2011-10-06 17:13 ` Pawel Moll
2011-10-06 17:13 ` Pawel Moll
2011-10-18 4:09 ` Rusty Russell
2011-10-18 4:09 ` Rusty Russell
2011-10-18 9:44 ` Pawel Moll
2011-10-18 9:44 ` Pawel Moll
2011-10-19 2:57 ` Rusty Russell
2011-10-19 2:57 ` Rusty Russell
2011-10-21 17:57 ` Pawel Moll
2011-10-21 17:57 ` Pawel Moll
2011-10-24 2:33 ` Rusty Russell
2011-10-24 2:33 ` Rusty Russell
2011-10-24 13:06 ` Pawel Moll
2011-10-24 13:06 ` Pawel Moll
2011-10-24 13:07 ` [PATCH v4] " Pawel Moll
2011-10-24 13:07 ` Pawel Moll
2011-10-24 13:07 ` Pawel Moll
2011-10-25 1:13 ` Rusty Russell
2011-10-25 1:13 ` Rusty Russell
2011-10-26 4:06 ` [PATCH v3] " Rusty Russell
2011-10-26 4:06 ` Rusty Russell
2011-10-26 9:54 ` Pawel Moll
2011-10-26 11:50 ` Rusty Russell
2011-10-26 11:50 ` Rusty Russell
2011-10-24 13:06 ` Pawel Moll
2011-10-13 16:49 ` Pawel Moll
2011-10-13 16:49 ` Pawel Moll
2011-10-05 10:39 ` Michael S. Tsirkin [this message]
2011-10-05 10:39 ` [PATCH] " Michael S. Tsirkin
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