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Pools are created way before the pool subsystem mutexes are 

initialized.

Ignore also pool_allocator_lock while the system is in cold state.

When the system has left cold state, uvm_init() should have
also initialized the pool subsystem and the mutexes are
ready to use.
This commit is contained in:
mlelstv 2010-01-03 01:07:19 +00:00
parent 23ee525d3d
commit 0ca557be77
1 changed files with 6 additions and 4 deletions
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10
sys/kern/subr_pool.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: subr_pool.c,v 1.179 2010/01/02 15:20:39 mlelstv Exp $ */
/* $NetBSD: subr_pool.c,v 1.180 2010/01/03 01:07:19 mlelstv Exp $ */
/*-
* Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.179 2010/01/02 15:20:39 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.180 2010/01/03 01:07:19 mlelstv Exp $");
#include "opt_ddb.h"
#include "opt_pool.h"
@ -666,7 +666,8 @@ pool_init(struct pool *pp, size_t size, u_int align, u_int ioff, int flags,
palloc = &pool_allocator_nointr_fullpage;
}
#endif /* POOL_SUBPAGE */
mutex_enter(&pool_allocator_lock);
if (!cold)
mutex_enter(&pool_allocator_lock);
if (palloc->pa_refcnt++ == 0) {
if (palloc->pa_pagesz == 0)
palloc->pa_pagesz = PAGE_SIZE;
@ -681,7 +682,8 @@ pool_init(struct pool *pp, size_t size, u_int align, u_int ioff, int flags,
pa_reclaim_register(palloc);
}
}
mutex_exit(&pool_allocator_lock);
if (!cold)
mutex_exit(&pool_allocator_lock);
if (align == 0)
align = ALIGN(1);