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| author | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-06-10 16:59:06 +0000 |
|---|---|---|
| committer | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-06-10 16:59:06 +0000 |
| commit | 7f68576b77ef3c9fde1009100690ff996d4490e0 (patch) | |
| tree | 6a87f66c7a03042baa556676add65252816fbd94 /xen/include/asm-x86/softirq.h | |
| parent | 822a0b35350d8006b808000eef3665ee4df7b297 (diff) | |
| download | xen-7f68576b77ef3c9fde1009100690ff996d4490e0.tar.gz xen-7f68576b77ef3c9fde1009100690ff996d4490e0.tar.bz2 xen-7f68576b77ef3c9fde1009100690ff996d4490e0.zip | |
bitkeeper revision 1.952 (40c8935a3XSRdQfnx5RoO7XgaggvOQ)
Towards x86_64 support. Merged a bunch of the existing x86_64 stuff
back into a generic 'x86' architecture. Aim is to share as much
as possible between 32- and 64-bit worlds.
Diffstat (limited to 'xen/include/asm-x86/softirq.h')
| -rw-r--r-- | xen/include/asm-x86/softirq.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/xen/include/asm-x86/softirq.h b/xen/include/asm-x86/softirq.h new file mode 100644 index 0000000000..292baac6ea --- /dev/null +++ b/xen/include/asm-x86/softirq.h @@ -0,0 +1,17 @@ +#ifndef __ASM_SOFTIRQ_H +#define __ASM_SOFTIRQ_H + +#include <asm/atomic.h> +#include <asm/hardirq.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) + +#endif /* __ASM_SOFTIRQ_H */ |