[src/trunk]: src/sys/kern Pools are created way before the pool subsystem mut...

[mlelstv <mlelstv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a8f5f446ace7
branches:  trunk
changeset: 750488:a8f5f446ace7
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Sun Jan 03 01:07:19 2010 +0000

description:
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.

diffstat:

 sys/kern/subr_pool.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (38 lines):

diff -r 6371ecf329be -r a8f5f446ace7 sys/kern/subr_pool.c
--- a/sys/kern/subr_pool.c      Sat Jan 02 21:16:46 2010 +0000
+++ b/sys/kern/subr_pool.c      Sun Jan 03 01:07:19 2010 +0000
@@ -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 @@
                        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 @@
                        pa_reclaim_register(palloc);
                }
        }
-       mutex_exit(&pool_allocator_lock);
+       if (!cold)
+               mutex_exit(&pool_allocator_lock);
 
        if (align == 0)
                align = ALIGN(1);