| /* |
| * include/asm-s390/softirq.h |
| * |
| * S390 version |
| * |
| * Derived from "include/asm-i386/softirq.h" |
| */ |
| |
| #ifndef __ASM_SOFTIRQ_H |
| #define __ASM_SOFTIRQ_H |
| |
| #ifndef __LINUX_SMP_H |
| #include <linux/smp.h> |
| #endif |
| |
| #include <asm/atomic.h> |
| #include <asm/hardirq.h> |
| #include <asm/lowcore.h> |
| |
| #define __cpu_bh_enable(cpu) \ |
| do { barrier(); local_bh_count(cpu)--; } while (0) |
| #define cpu_bh_disable(cpu) \ |
| do { local_bh_count(cpu)++; barrier(); } while (0) |
| |
| #define local_bh_disable() cpu_bh_disable(smp_processor_id()) |
| #define __local_bh_enable() __cpu_bh_enable(smp_processor_id()) |
| |
| #define in_softirq() (local_bh_count(smp_processor_id()) != 0) |
| |
| extern void do_call_softirq(void); |
| |
| #define local_bh_enable() \ |
| do { \ |
| unsigned int *ptr = &local_bh_count(smp_processor_id()); \ |
| barrier(); \ |
| if (!--*ptr) \ |
| if (softirq_pending(smp_processor_id())) \ |
| /* Use the async. stack for softirq */ \ |
| do_call_softirq(); \ |
| } while (0) |
| |
| #endif /* __ASM_SOFTIRQ_H */ |
| |
| |
| |
| |
| |
| |
| |