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virtio-ccw: Wire up ioeventfd.

Browse source 
On hosts that support ioeventfd, make use of it for host-to-guest
notifications via diagnose 500.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Cornelia Huck 2013-02-15 10:18:43 +01:00
parent 6504a93011
commit b4436a0b4d
6 changed files with 161 additions and 1 deletions
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2
hw/s390x/css.c
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@ -68,7 +68,7 @@ int css_create_css_image(uint8_t cssid, bool default_image)
return 0;
}
static uint16_t css_build_subchannel_id(SubchDev *sch)
uint16_t css_build_subchannel_id(SubchDev *sch)
{
if (channel_subsys->max_cssid > 0) {
return (sch->cssid << 8) | (1 << 3) | (sch->ssid << 1) | 1;