virtio: flush buffers on open

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Fix bug found by Christian Borntraeger: if the other side fills all
the registered network buffers before we enable NAPI, we will never
get an interrupt.  The simplest fix is to process the input queue once
on open.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

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Rusty Russell 2008-02-04 23:50:07 -05:00

parent e70f2f1bb8

commit a48bd8f670

1 changed files with 7 additions and 0 deletions

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7

drivers/net/virtio_net.c

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