Laszlo Ersek dc9447bd37 OvmfPkg: Virtio: load used ring element strictly after loading used index ... Enforce in-order execution of these steps even on not sequentially consistent architectures, as discussed in [1]. These changes should be unnecessary on x86 (the only architecture OVMF currently supports), but they align the OVMF virtio code with the virtio specification and could be necessary for future OVMF ports. [1] http://lists.linuxfoundation.org/pipermail/virtualization/2013-June/024547.html Suggested-by: Stefan Hajnoczi <stefanha@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14601 6f19259b-4bc3-4df7-8a09-765794883524		2013-08-23 18:46:03 +00:00
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VirtioLib.c	OvmfPkg: Virtio: load used ring element strictly after loading used index	2013-08-23 18:46:03 +00:00
VirtioLib.inf	OvmfPkg: librarize reusable bits from VirtioBlkDxe's SynchronousRequest()	2012-10-12 18:54:35 +00:00