From: Sasha Levin <levinsasha928@gmail.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, avi@redhat.com,
Thomas Lendacky <tahm@linux.vnet.ibm.com>
Subject: Re: [PATCH v2 2/2] virtio-ring: Allocate indirect buffers from cache when possible
Date: Wed, 12 Sep 2012 12:44:47 +0200 [thread overview]
Message-ID: <5050679F.9030002@gmail.com> (raw)
In-Reply-To: <87bohbdb0o.fsf@rustcorp.com.au>
On 09/12/2012 08:13 AM, Rusty Russell wrote:
> The real question is now whether we'd want a separate indirect cache for
> the 3 case (so num above should be a bitmap?), or reuse the same one, or
> not use it at all?
>
> Benchmarking will tell...
Since there are no specific decisions about actual values, I'll just modify the
code to use cache per-vq instead of per-device.
Thanks,
Sasha
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <levinsasha928@gmail.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Thomas Lendacky <tahm@linux.vnet.ibm.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, avi@redhat.com,
kvm@vger.kernel.org
Subject: Re: [PATCH v2 2/2] virtio-ring: Allocate indirect buffers from cache when possible
Date: Wed, 12 Sep 2012 12:44:47 +0200 [thread overview]
Message-ID: <5050679F.9030002@gmail.com> (raw)
In-Reply-To: <87bohbdb0o.fsf@rustcorp.com.au>
On 09/12/2012 08:13 AM, Rusty Russell wrote:
> The real question is now whether we'd want a separate indirect cache for
> the 3 case (so num above should be a bitmap?), or reuse the same one, or
> not use it at all?
>
> Benchmarking will tell...
Since there are no specific decisions about actual values, I'll just modify the
code to use cache per-vq instead of per-device.
Thanks,
Sasha
next prev parent reply other threads:[~2012-09-12 10:44 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-28 13:04 [PATCH v2 1/2] virtio-ring: Use threshold for switching to indirect descriptors Sasha Levin
2012-08-28 13:04 ` Sasha Levin
2012-08-28 13:04 ` [PATCH v2 2/2] virtio-ring: Allocate indirect buffers from cache when possible Sasha Levin
2012-08-28 13:04 ` Sasha Levin
2012-08-28 13:20 ` Michael S. Tsirkin
2012-08-28 13:20 ` Michael S. Tsirkin
2012-08-28 13:35 ` Sasha Levin
2012-08-28 13:35 ` Sasha Levin
2012-08-29 11:07 ` Michael S. Tsirkin
2012-08-29 11:07 ` Michael S. Tsirkin
2012-08-29 15:03 ` Sasha Levin
2012-08-29 15:03 ` Sasha Levin
2012-08-29 15:14 ` Michael S. Tsirkin
2012-08-29 15:14 ` Michael S. Tsirkin
2012-08-30 10:34 ` Sasha Levin
2012-08-30 10:34 ` Sasha Levin
2012-08-29 15:38 ` Michael S. Tsirkin
2012-08-29 15:38 ` Michael S. Tsirkin
2012-08-29 16:50 ` Sasha Levin
2012-08-29 16:50 ` Sasha Levin
2012-09-06 1:02 ` Rusty Russell
2012-09-06 1:02 ` Rusty Russell
2012-09-06 5:02 ` Michael S. Tsirkin
2012-09-06 5:02 ` Michael S. Tsirkin
2012-09-06 7:57 ` Rusty Russell
2012-09-06 8:45 ` Michael S. Tsirkin
2012-09-06 8:45 ` Michael S. Tsirkin
2012-09-06 23:49 ` Rusty Russell
2012-09-06 23:49 ` Rusty Russell
2012-09-07 0:06 ` Michael S. Tsirkin
2012-09-07 0:06 ` Michael S. Tsirkin
2012-09-10 15:47 ` Thomas Lendacky
2012-09-10 16:08 ` Michael S. Tsirkin
2012-09-10 16:08 ` Michael S. Tsirkin
2012-09-12 6:13 ` Rusty Russell
2012-09-12 6:13 ` Rusty Russell
2012-09-12 10:44 ` Sasha Levin [this message]
2012-09-12 10:44 ` Sasha Levin
2012-10-23 15:14 ` Michael S. Tsirkin
2012-10-23 15:14 ` Michael S. Tsirkin
2012-09-10 16:01 ` Thomas Lendacky
2012-09-10 16:01 ` Thomas Lendacky
2012-09-06 7:57 ` Rusty Russell
2012-09-10 15:52 ` Paolo Bonzini
2012-09-10 15:52 ` Paolo Bonzini
2012-09-06 0:02 ` Rusty Russell
2012-09-06 0:02 ` Rusty Russell
2012-08-29 15:38 ` Michael S. Tsirkin
2012-08-29 15:38 ` Michael S. Tsirkin
2012-08-29 17:14 ` Sasha Levin
2012-08-29 17:14 ` Sasha Levin
2012-08-29 18:12 ` Michael S. Tsirkin
2012-08-29 18:12 ` Michael S. Tsirkin
2012-08-29 20:46 ` Sasha Levin
2012-08-29 20:46 ` Sasha Levin
2012-08-29 22:52 ` Michael S. Tsirkin
2012-08-29 22:52 ` Michael S. Tsirkin
2012-08-28 13:20 ` [PATCH v2 1/2] virtio-ring: Use threshold for switching to indirect descriptors Michael S. Tsirkin
2012-08-28 13:20 ` Michael S. Tsirkin
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