| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 1997, 1998, 1999, 2000, 2001 by Ralf Baechle |
| * Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
| * Copyright (C) 2001 MIPS Technologies, Inc. |
| */ |
| #ifndef _ASM_SOFTIRQ_H |
| #define _ASM_SOFTIRQ_H |
| |
| #include <asm/atomic.h> |
| #include <asm/hardirq.h> |
| |
| static inline void cpu_bh_disable(int cpu) |
| { |
| local_bh_count(cpu)++; |
| barrier(); |
| } |
| |
| static inline void __cpu_bh_enable(int cpu) |
| { |
| barrier(); |
| local_bh_count(cpu)--; |
| } |
| |
| #define local_bh_disable() cpu_bh_disable(smp_processor_id()) |
| #define __local_bh_enable() __cpu_bh_enable(smp_processor_id()) |
| #define local_bh_enable() \ |
| do { \ |
| int cpu; \ |
| \ |
| barrier(); \ |
| cpu = smp_processor_id(); \ |
| if (!--local_bh_count(cpu) && softirq_pending(cpu)) \ |
| do_softirq(); \ |
| } while (0) |
| |
| #define in_softirq() (local_bh_count(smp_processor_id()) != 0) |
| |
| #endif /* _ASM_SOFTIRQ_H */ |
