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author | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-02-10 10:30:46 +0000 |
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committer | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-02-10 10:30:46 +0000 |
commit | 82ef43b92ab7d56f486cb31b2e0b26ce51bd1ea8 (patch) | |
tree | 4e8f96f71946e6d742d8f64ee082d2149147204d /introduction.tex | |
parent | 83e2126994d4bafc7269bdc123a4fb06c78ccc4d (diff) | |
download | virtio-spec-82ef43b92ab7d56f486cb31b2e0b26ce51bd1ea8.tar.gz |
patch feedback-5.patch
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@215 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
Diffstat (limited to 'introduction.tex')
-rw-r--r-- | introduction.tex | 7 |
1 files changed, 4 insertions, 3 deletions
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). |