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authorrusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>2013-10-31 05:28:01 +0000
committerrusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>2013-10-31 05:28:01 +0000
commit306baacdd420a62903dd496624af10c6c96669bb (patch)
tree8a6b28d439120cd8954b55a1e4c100696cf10aed /.exrc
parent080656277fe8607d5dd1e76ad4a6434c89be5705 (diff)
Configuration (read) atomicity.
Aka issue VIRTIO-35. This is solved per transport: 1) PCI: use the 8 bit reserved field. Assume that if you really change that fast, you'll do it lazily on config space read. 2) MMIO (already solved by v2 update) 3) CCW: no transport changes. They always read/write the entire thing. This just shows that Cornelia is smarter than I am. Signed-off-by: Rusty Russell <rusty@au1.ibm.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@74 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
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