summaryrefslogtreecommitdiffstats
path: root/drivers/xen/pci.c
diff options
context:
space:
mode:
authorWei Liu2015-04-03 08:44:59 +0200
committerDavid Vrabel2015-04-15 11:56:47 +0200
commitccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d (patch)
tree2a147c10a289a3f4283d6008708297f07df052a6 /drivers/xen/pci.c
parentxen-pciback: also support disabling of bus-mastering and memory-write-invalidate (diff)
downloadkernel-qcow2-linux-ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d.tar.gz
kernel-qcow2-linux-ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d.tar.xz
kernel-qcow2-linux-ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d.zip
xenbus_client: Extend interface to support multi-page ring
Originally Xen PV drivers only use single-page ring to pass along information. This might limit the throughput between frontend and backend. The patch extends Xenbus driver to support multi-page ring, which in general should improve throughput if ring is the bottleneck. Changes to various frontend / backend to adapt to the new interface are also included. Affected Xen drivers: * blkfront/back * netfront/back * pcifront/back * scsifront/back * vtpmfront The interface is documented, as before, in xenbus_client.c. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: Bob Liu <bob.liu@oracle.com> Cc: Konrad Wilk <konrad.wilk@oracle.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen/pci.c')
0 files changed, 0 insertions, 0 deletions