Author: nwhitehorn
Date: Fri Apr 6 16:00:37 2012
New Revision: 233948
URL: http://svn.freebsd.org/changeset/base/233948
Log:
Give the kernel pmap lock a different name than user pmap locks. It has
(slightly) different semantics and renaming it prevents a (harmless)
WITNESS warning during bootup for 32-bit kernels on 64-bit CPUs.
MFC after: 5 days
Modified:
head/sys/powerpc/include/pmap.h
Modified: head/sys/powerpc/include/pmap.h
==============================================================================
--- head/sys/powerpc/include/pmap.h Fri Apr 6 14:26:05 2012
(r233947)
+++ head/sys/powerpc/include/pmap.h Fri Apr 6 16:00:37 2012
(r233948)
@@ -212,8 +212,9 @@ extern struct pmap kernel_pmap_store;
#define PMAP_LOCK_ASSERT(pmap, type) \
mtx_assert(&(pmap)->pm_mtx, (type))
#define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx)
-#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \
- NULL, MTX_DEF)
+#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, \
+ (pmap == kernel_pmap) ? "kernelpmap" : \
+ "pmap", NULL, MTX_DEF)
#define PMAP_LOCKED(pmap) mtx_owned(&(pmap)->pm_mtx)
#define PMAP_MTX(pmap) (&(pmap)->pm_mtx)
#define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx)
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