Support IOThread polling for PV shared rings

[Qemu-devel] [PATCH 0/3] Support IOThread polling for PV shared rings

Paul Durrant posted 3 patches 5 years ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20190408151617.13025-1-paul.durrant@citrix.com

Maintainers: Kevin Wolf <kwolf@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Paul Durrant <paul.durrant@citrix.com>, Max Reitz <mreitz@redhat.com>, Anthony Perard <anthony.perard@citrix.com>

hw/block/dataplane/xen-block.c | 19 +++----
hw/xen/xen-bus.c               | 92 +++++++++++++++++++---------------
include/hw/xen/xen-bus.h       |  9 ++--
3 files changed, 66 insertions(+), 54 deletions(-)

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[Qemu-devel] [PATCH 0/3] Support IOThread polling for PV shared rings

Posted by Paul Durrant 5 years ago

Currently xen-block uses an IOThread to handle AIO but the event channels
are dealt with on QEMU's main thread. This series allows them to be
dealt with in the same context.

Paul Durrant (3):
  xen-bus: use a separate fd for each event channel
  xen-bus: allow AioContext to be specified for each event channel
  xen-bus / xen-block: add support for event channel polling

 hw/block/dataplane/xen-block.c | 19 +++----
 hw/xen/xen-bus.c               | 92 +++++++++++++++++++---------------
 include/hw/xen/xen-bus.h       |  9 ++--
 3 files changed, 66 insertions(+), 54 deletions(-)
---
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
--
2.20.1.2.gb21ebb6