diff options
Diffstat (limited to 'usr/src/uts/common/os/putnext.c')
| -rw-r--r-- | usr/src/uts/common/os/putnext.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/usr/src/uts/common/os/putnext.c b/usr/src/uts/common/os/putnext.c index caef9e93d4..5a6424f037 100644 --- a/usr/src/uts/common/os/putnext.c +++ b/usr/src/uts/common/os/putnext.c @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -20,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 1991-2003 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -28,8 +27,6 @@ /* All Rights Reserved */ -#pragma ident "%Z%%M% %I% %E% SMI" - /* * UNIX Device Driver Interface functions * This file contains the C-versions of putnext() and put(). @@ -61,9 +58,9 @@ * * The redzone value is chosen dependent on the default stack size which is 8K * on 32-bit kernels and on x86 and 16K on 64-bit kernels. The values are chosen - * empirically. For 64-bit kernels it is 5000 and for 32-bit kernels it is 2500. - * Experiments showed that 2500 is not enough for 64-bit kernels and 2048 is not - * enough for 32-bit. + * empirically. For 64-bit kernels it is 5000 and for 32-bit kernels it is 3000. + * Experiments showed that 2500 is not enough for either 32-bit or 64-bit + * kernels. * * The redzone value is a tuneable rather then a constant to allow adjustments * in the field. @@ -83,7 +80,7 @@ static ulong_t put_stack_notenough; #ifdef _LP64 #define PUT_STACK_NEEDED 5000 #else -#define PUT_STACK_NEEDED 2500 +#define PUT_STACK_NEEDED 3000 #endif int put_stack_needed = PUT_STACK_NEEDED; @@ -160,7 +157,7 @@ putnext(queue_t *qp, mblk_t *mp) ushort_t *sqcipcount = NULL; TRACE_2(TR_FAC_STREAMS_FR, TR_PUTNEXT_START, - "putnext_start:(%p, %p)", qp, mp); + "putnext_start:(%p, %p)", qp, mp); ASSERT(mp->b_datap->db_ref != 0); ASSERT(mp->b_next == NULL && mp->b_prev == NULL); @@ -198,7 +195,7 @@ putnext(queue_t *qp, mblk_t *mp) queued = qp->q_sqflags & Q_SQQUEUED; mutex_exit(sqciplock); } else { - slowlock: + slowlock: ASSERT(sqciplock == NULL); mutex_enter(SQLOCK(sq)); mutex_exit(sdlock); @@ -440,7 +437,7 @@ put(queue_t *qp, mblk_t *mp) ushort_t *sqcipcount = NULL; TRACE_2(TR_FAC_STREAMS_FR, TR_PUT_START, - "put:(%X, %X)", qp, mp); + "put:(%X, %X)", qp, mp); ASSERT(mp->b_datap->db_ref != 0); ASSERT(mp->b_next == NULL && mp->b_prev == NULL); @@ -466,7 +463,7 @@ put(queue_t *qp, mblk_t *mp) queued = qp->q_sqflags & Q_SQQUEUED; mutex_exit(sqciplock); } else { - slowlock: + slowlock: ASSERT(sqciplock == NULL); mutex_enter(SQLOCK(sq)); flags = sq->sq_flags; |