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xlwp->mtx will never be used in interrupt context; set to IPL_NONE. 

avoids a KASSERT when sleeping for the reply.
This commit is contained in:
bouyer 2017-03-23 14:52:36 +00:00
parent 54c511cc9d
commit 72413a9e8c
1 changed files with 3 additions and 3 deletions
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6
sys/arch/xen/xenbus/xenbus_dev.c
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@ -1,4 +1,4 @@
/* $NetBSD: xenbus_dev.c,v 1.12 2017/03/22 22:33:32 bouyer Exp $ */
/* $NetBSD: xenbus_dev.c,v 1.13 2017/03/23 14:52:36 bouyer Exp $ */
/*
* xenbus_dev.c
*
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xenbus_dev.c,v 1.12 2017/03/22 22:33:32 bouyer Exp $");
__KERNEL_RCSID(0, "$NetBSD: xenbus_dev.c,v 1.13 2017/03/23 14:52:36 bouyer Exp $");
#include "opt_xen.h"
@ -374,7 +374,7 @@ xenbus_dev_open(void *v)
memset(xlwp, 0, sizeof(*xlwp));
xlwp->lwp = curlwp;
SLIST_INIT(&xlwp->transactions);
mutex_init(&xlwp->mtx, MUTEX_DEFAULT, IPL_VM);
mutex_init(&xlwp->mtx, MUTEX_DEFAULT, IPL_NONE);
SLIST_INSERT_HEAD(&u->lwps,
xlwp, lwp_next);
}