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(parent: 4ed38b4) | patch
kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT
authorAsias He <asias.hejun@gmail.com>
Sat, 7 May 2011 02:34:20 +0000 (10:34 +0800)
committerPekka Enberg <penberg@kernel.org>
Sat, 7 May 2011 08:38:39 +0000 (11:38 +0300)
commit739ddbb3b0fe52aa90a84727a6e90da37ce7661b
tree4b707886d66e9412cd07e09e7d8be91ac82f8aa6tree | snapshot
parent4ed38b41fc034cfb51fec2004f523fe98faa27f6commit | diff
kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT

Do not inject IRQ when guest suppress it.

This can reduce IRQ injection further and bumps
host to guest bandwitdh to 6178.78 Mbps(cpu 63.96%).

Signed-off-by: Asias He <asias.hejun@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
tools/kvm/virtio/core.c diff | blob | history
Linux kernel for KaRo TX COM modules