svn commit: r199163 - user/kmacy/releng_7_2_xen/sys/xen/evtchn
Kip Macy
kmacy at FreeBSD.org
Wed Nov 11 01:10:17 UTC 2009
Author: kmacy
Date: Wed Nov 11 01:10:17 2009
New Revision: 199163
URL: http://svn.freebsd.org/changeset/base/199163
Log:
don't hold spin lock across free
Modified:
user/kmacy/releng_7_2_xen/sys/xen/evtchn/evtchn_dev.c
Modified: user/kmacy/releng_7_2_xen/sys/xen/evtchn/evtchn_dev.c
==============================================================================
--- user/kmacy/releng_7_2_xen/sys/xen/evtchn/evtchn_dev.c Wed Nov 11 00:48:53 2009 (r199162)
+++ user/kmacy/releng_7_2_xen/sys/xen/evtchn/evtchn_dev.c Wed Nov 11 01:10:17 2009 (r199163)
@@ -304,11 +304,11 @@ evtchn_close(struct cdev *dev, int flag,
{
int i;
- mtx_lock_spin(&lock);
if (ring != NULL) {
free(ring, M_DEVBUF);
ring = NULL;
}
+ mtx_lock_spin(&lock);
for ( i = 0; i < NR_EVENT_CHANNELS; i++ )
if ( synch_test_and_clear_bit(i, &bound_ports[0]) )
mask_evtchn(i);
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