motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 02:03:56 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

s390x/kvm: inject via flic

Browse source 
Try to inject floating interrupts via the flic if it is available.
This allows us to inject the full range of floating interrupts.

Reviewed-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Cornelia Huck 2014-03-12 12:40:31 +01:00
parent de13d21614
commit bbd8bb8e32
3 changed files with 29 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

19
target-s390x/kvm.c
View file

@ -623,7 +623,7 @@ void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq)
}
}
void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
static void __kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
{
struct kvm_s390_interrupt kvmint = {};
int r;
@ -641,6 +641,23 @@ void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
}
}
void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
{
static bool use_flic = true;
int r;
if (use_flic) {
r = kvm_s390_inject_flic(irq);
if (r == -ENOSYS) {
use_flic = false;
}
if (!r) {
return;
}
}
__kvm_s390_floating_interrupt(irq);
}
void kvm_s390_virtio_irq(int config_change, uint64_t token)
{
struct kvm_s390_irq irq = {