diff options
Diffstat (limited to 'usr/src/uts/sparc/sys/cpu.h')
| -rw-r--r-- | usr/src/uts/sparc/sys/cpu.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr/src/uts/sparc/sys/cpu.h b/usr/src/uts/sparc/sys/cpu.h index be90896939..6f0fbc919d 100644 --- a/usr/src/uts/sparc/sys/cpu.h +++ b/usr/src/uts/sparc/sys/cpu.h @@ -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 2004 Sun Microsystems, Inc. All rights reserved. + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -69,7 +68,9 @@ extern int vac; /* * Use to insert cpu-dependent instructions into spin loops */ -#define SMT_PAUSE() /* none */ +#pragma weak cpu_smt_pause +extern void cpu_smt_pause(); +#define SMT_PAUSE() { if (&cpu_smt_pause) cpu_smt_pause(); } #endif /* defined(_KERNEL) && !defined(_ASM) */ |