svn commit: r219399 - head/sys/kern
John Baldwin
jhb at FreeBSD.org
Tue Mar 8 14:18:22 UTC 2011
Author: jhb
Date: Tue Mar 8 14:18:21 2011
New Revision: 219399
URL: http://svn.freebsd.org/changeset/base/219399
Log:
When constructing a new cpuset, apply the parent cpuset's mask to the new
set's mask rather than the root mask. This was causing the root mask to
be modified incorrectly.
Reviewed by: jeff
MFC after: 1 week
Modified:
head/sys/kern/kern_cpuset.c
Modified: head/sys/kern/kern_cpuset.c
==============================================================================
--- head/sys/kern/kern_cpuset.c Tue Mar 8 12:08:23 2011 (r219398)
+++ head/sys/kern/kern_cpuset.c Tue Mar 8 14:18:21 2011 (r219399)
@@ -249,7 +249,7 @@ cpuset_lookup(cpusetid_t setid, struct t
* will have no valid cpu based on restrictions from the parent.
*/
static int
-_cpuset_create(struct cpuset *set, struct cpuset *parent, cpuset_t *mask,
+_cpuset_create(struct cpuset *set, struct cpuset *parent, const cpuset_t *mask,
cpusetid_t id)
{
@@ -260,7 +260,7 @@ _cpuset_create(struct cpuset *set, struc
refcount_init(&set->cs_ref, 1);
set->cs_flags = 0;
mtx_lock_spin(&cpuset_lock);
- CPU_AND(mask, &parent->cs_mask);
+ CPU_AND(&set->cs_mask, &parent->cs_mask);
set->cs_id = id;
set->cs_parent = cpuset_ref(parent);
LIST_INSERT_HEAD(&parent->cs_children, set, cs_siblings);
@@ -277,7 +277,7 @@ _cpuset_create(struct cpuset *set, struc
* allocated.
*/
static int
-cpuset_create(struct cpuset **setp, struct cpuset *parent, cpuset_t *mask)
+cpuset_create(struct cpuset **setp, struct cpuset *parent, const cpuset_t *mask)
{
struct cpuset *set;
cpusetid_t id;
@@ -475,7 +475,7 @@ cpuset_which(cpuwhich_t which, id_t id,
* the new set is a child of 'set'.
*/
static int
-cpuset_shadow(struct cpuset *set, struct cpuset *fset, cpuset_t *mask)
+cpuset_shadow(struct cpuset *set, struct cpuset *fset, const cpuset_t *mask)
{
struct cpuset *parent;
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