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Subject: [PATCH 1/2] introduction: clarify rings do both input and output (not either/or)
Suggested by Rusty. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- introduction.tex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/introduction.tex b/introduction.tex index 221e24e..b93934f 100644 --- a/introduction.tex +++ b/introduction.tex @@ -13,7 +13,7 @@ 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 separated to avoid cache effects from both driver and device writing to the same cache lines. -- MST
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