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From: Arjan van de Ven <arjan-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Dor Laor <dor.laor-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: paravirtualization & cr3-cache feature
Date: Tue, 13 Feb 2007 08:50:19 +0100	[thread overview]
Message-ID: <1171353019.12771.37.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <64F9B87B6B770947A9F8391472E032160A66C679-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>


> Second, we currently use Qemu's device emulation were the ne2k device
> does dozens of IO accesses per packet! The rtl8139 is better and does
> about 3 IO(MMIO) per packet. The current maximum throughput using the

and this is where paravirtualized device drivers can help, like Ingo's
network driver or the block driver I'm working on (which currently
happily writes 215Mbyte/sec from guest userspace using normal write() to
the virtual disk)...

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org


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  parent reply	other threads:[~2007-02-13  7:50 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-09 22:50 paravirtualization & cr3-cache feature Omar Khan
     [not found] ` <loom.20070209T234642-102-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2007-02-10 22:22   ` Dor Laor
2007-02-12 12:56     ` Omar Khan
     [not found]     ` <64F9B87B6B770947A9F8391472E032160A66BE0A-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-12 13:06       ` Joerg Roedel
     [not found]         ` <20070212130644.GF25460-5C7GfCeVMHo@public.gmane.org>
2007-02-12 13:21           ` Dor Laor
     [not found]             ` <64F9B87B6B770947A9F8391472E032160A66C0A6-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-12 14:03               ` Daniel Veillard
     [not found]                 ` <20070212140359.GE1879-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-02-12 14:23                   ` Dor Laor
     [not found]                     ` <64F9B87B6B770947A9F8391472E032160A66C0CF-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-12 14:42                       ` Gregory Haskins
2007-02-13  4:52                   ` richardvoigt-Re5JQEeQqe8AvxtiuMwx3w
     [not found]                     ` <2e59e6970702122052x69a4ea9asafd2d0ef438f55ce-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-02-13  7:47                       ` Dor Laor
     [not found]                         ` <64F9B87B6B770947A9F8391472E032160A66C679-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-13  7:50                           ` Arjan van de Ven [this message]
     [not found]                             ` <1171353019.12771.37.camel-NIQFrBLA1CpScpXdPBN83iCwEArCW2h5@public.gmane.org>
2007-02-13  7:57                               ` Dor Laor
     [not found]                                 ` <64F9B87B6B770947A9F8391472E032160A66C681-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-13  8:02                                   ` Arjan van de Ven
2007-02-18 19:56                           ` richardvoigt-Re5JQEeQqe8AvxtiuMwx3w
     [not found]                             ` <2e59e6970702181156l3591b801l1d6b5bccf177717c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-02-20  9:48                               ` Dor Laor

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