Author: sephe
Date: Wed Jun 1 07:11:54 2016
New Revision: 301109
URL: https://svnweb.freebsd.org/changeset/base/301109
Log:
hyperv/channel: Only cpu0 is supported as channel target cpu on WIN7
MFC after: 1 week
Sponsored by: Microsoft OSTC
Modified:
head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
Modified: head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
==============================================================================
--- head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Wed Jun 1 07:03:11 2016
(r301108)
+++ head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Wed Jun 1 07:11:54 2016
(r301109)
@@ -302,6 +302,12 @@ vmbus_channel_cpu_set(struct hv_vmbus_ch
{
KASSERT(cpu >= 0 && cpu < mp_ncpus, ("invalid cpu %d", cpu));
+ if (hv_vmbus_protocal_version == HV_VMBUS_VERSION_WS2008 ||
+ hv_vmbus_protocal_version == HV_VMBUS_VERSION_WIN7) {
+ /* Only cpu0 is supported */
+ cpu = 0;
+ }
+
chan->target_cpu = cpu;
chan->target_vcpu = VMBUS_PCPU_GET(vmbus_get_softc(), vcpuid, cpu);
@@ -359,9 +365,7 @@ vmbus_channel_select_defcpu(struct hv_vm
}
}
- if ((hv_vmbus_protocal_version == HV_VMBUS_VERSION_WS2008) ||
- (hv_vmbus_protocal_version == HV_VMBUS_VERSION_WIN7) ||
- (!is_perf_channel)) {
+ if (!is_perf_channel) {
/* Stick to cpu0 */
vmbus_channel_cpu_set(channel, 0);
return;
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
