Author: neel
Date: Thu Apr 16 22:44:51 2015
New Revision: 281630
URL: https://svnweb.freebsd.org/changeset/base/281630
Log:
Relax the check on which vectors can be delivered through the APIC. According
to the Intel SDM vectors 16 through 255 are allowed to be delivered via the
local APIC.
Reported by: Leon Dang (ld...@nahannisys.com)
MFC after: 2 weeks
Modified:
head/sys/amd64/vmm/vmm_lapic.c
Modified: head/sys/amd64/vmm/vmm_lapic.c
==============================================================================
--- head/sys/amd64/vmm/vmm_lapic.c Thu Apr 16 22:35:19 2015
(r281629)
+++ head/sys/amd64/vmm/vmm_lapic.c Thu Apr 16 22:44:51 2015
(r281630)
@@ -57,7 +57,11 @@ lapic_set_intr(struct vm *vm, int cpu, i
if (cpu < 0 || cpu >= VM_MAXCPU)
return (EINVAL);
- if (vector < 32 || vector > 255)
+ /*
+ * According to section "Maskable Hardware Interrupts" in Intel SDM
+ * vectors 16 through 255 can be delivered through the local APIC.
+ */
+ if (vector < 16 || vector > 255)
return (EINVAL);
vlapic = vm_lapic(vm, cpu);
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
