Christian Borntraeger be3c5832d5 kvm-s390: implement config_changed for virtio on s390 ... This patch implements config_changed for the s390 virtio transport. We use the least significant bit of the interrupt parameter field to decide, if this interrupt should call the virtio virtqueue callback or the config_changed callback. This method is compatible with old host and guest code. Old 64 bit guests will not check the bit and trigger a harmless additional vring_interrupt call. Old host code will never set this bit, this is also safe. This patch also takes care of a potential future 31 bit virtio transport for s390. On 31 bit _LC_PFAULT_INTPARM and __LC_EXT_PARAMS are identical. We exploit the alignment of the token and fold the change bit into the lsb of the token itself. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>		2008-12-30 09:26:11 +10:30
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kvm_virtio.c	kvm-s390: implement config_changed for virtio on s390	2008-12-30 09:26:11 +10:30
Makefile	KVM: s390: Fix guest kconfig	2008-07-27 11:35:47 +03:00