From 3a7719016f0b081ac43203e9137796265f6a037b Mon Sep 17 00:00:00 2001 From: rusty Date: Wed, 12 Feb 2014 03:15:33 +0000 Subject: Feedback #5: Applied. As per minutes: https://lists.oasis-open.org/archives/virtio/201402/msg00121.html Signed-off-by: Rusty Russell git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@236 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 --- introduction.tex | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'introduction.tex') diff --git a/introduction.tex b/introduction.tex index 83b01f0..8e08d02 100644 --- a/introduction.tex +++ b/introduction.tex @@ -13,14 +13,15 @@ inter-guest communication) requires copying. } Efficient: Virtio devices consist of rings of descriptors - for input and output, which are neatly separated to avoid cache + for both input and output, which are neatly laid out to avoid cache effects from both driver and device writing to the same cache lines. Standard: Virtio makes no assumptions about the environment in which - it operates, beyond supporting the bus attaching the device. Virtio + it operates, beyond supporting the bus to which device is attached. + In this specification, virtio devices are implemented over PCI and other buses, and earlier drafts - been implemented on other buses not included in this spec. + have been implemented on other buses not included here. \footnote{The Linux implementation further separates the PCI virtio code from the specific virtio drivers: these drivers are shared with the non-PCI implementations (currently lguest and S/390). -- cgit v1.2.3