d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Relax the check on which vectors can be delivered through the APIC. According

Browse Source 
to the Intel SDM vectors 16 through 255 are allowed to be delivered via the
local APIC.

Reported by:	Leon Dang (ldang@nahannisys.com)
MFC after:	2 weeks
This commit is contained in:
Neel Natu 2015-04-16 22:44:51 +00:00
parent f384739d96
commit 631947366f
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/amd64/vmm/vmm_lapic.c
View File

@ -57,7 +57,11 @@ lapic_set_intr(struct vm *vm, int cpu, int vector, bool level)
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);