diff options
Diffstat (limited to 'sys/amd64/vmm/io/ppt.c')
| -rw-r--r-- | sys/amd64/vmm/io/ppt.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/sys/amd64/vmm/io/ppt.c b/sys/amd64/vmm/io/ppt.c index 4a05985..5aedaf2 100644 --- a/sys/amd64/vmm/io/ppt.c +++ b/sys/amd64/vmm/io/ppt.c @@ -402,31 +402,6 @@ pptintr(void *arg) return (FILTER_HANDLED); } -/* - * XXX - * When we try to free the MSI resource the kernel will bind the thread to - * the host cpu was originally handling the MSI. The function freeing the - * MSI vector (apic_free_vector()) will panic the kernel if the thread - * is already bound to a cpu. - * - * So, we temporarily unbind the vcpu thread before freeing the MSI resource. - */ -static void -PPT_TEARDOWN_MSI(struct vm *vm, int vcpu, struct pptdev *ppt) -{ - int pincpu = -1; - - vm_get_pinning(vm, vcpu, &pincpu); - - if (pincpu >= 0) - vm_set_pinning(vm, vcpu, -1); - - ppt_teardown_msi(ppt); - - if (pincpu >= 0) - vm_set_pinning(vm, vcpu, pincpu); -} - int ppt_setup_msi(struct vm *vm, int vcpu, int bus, int slot, int func, int destcpu, int vector, int numvec) @@ -447,7 +422,7 @@ ppt_setup_msi(struct vm *vm, int vcpu, int bus, int slot, int func, return (EBUSY); /* Free any allocated resources */ - PPT_TEARDOWN_MSI(vm, vcpu, ppt); + ppt_teardown_msi(ppt); if (numvec == 0) /* nothing more to do */ return (0); @@ -513,7 +488,7 @@ ppt_setup_msi(struct vm *vm, int vcpu, int bus, int slot, int func, } if (i < numvec) { - PPT_TEARDOWN_MSI(vm, vcpu, ppt); + ppt_teardown_msi(ppt); return (ENXIO); } |
