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xen: limit the usage of PIRQs to a legacy PVH Dom0

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That's the only mode in FreeBSD that requires the usage of PIRQs, so
there's no need to attach the PIRQ PIC when running in other modes.

Approved by:		re (gjb)
Sponsored by:		Citrix Systems R&D
This commit is contained in:
royger 2018-09-13 07:11:11 +00:00
parent d10b76ea10
commit 8a5ba18cab
1 changed files with 2 additions and 1 deletions
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3
sys/x86/xen/xen_intr.c
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@ -656,7 +656,8 @@ xen_intr_init(void *dummy __unused)
xen_intr_pirq_eoi_map_enabled = true;
intr_register_pic(&xen_intr_pic);
intr_register_pic(&xen_intr_pirq_pic);
if (xen_pv_domain() && xen_initial_domain())
intr_register_pic(&xen_intr_pirq_pic);
if (bootverbose)
printf("Xen interrupt system initialized\n");