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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
#ifndef _ASM_IA64_LOCAL_H
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#define _ASM_IA64_LOCAL_H
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/*
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* Copyright (C) 2003 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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#include <linux/percpu.h>
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typedef struct {
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atomic64_t val;
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} local_t;
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#define LOCAL_INIT(i) ((local_t) { { (i) } })
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#define local_read(l) atomic64_read(&(l)->val)
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#define local_set(l, i) atomic64_set(&(l)->val, i)
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#define local_inc(l) atomic64_inc(&(l)->val)
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#define local_dec(l) atomic64_dec(&(l)->val)
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#define local_add(l) atomic64_add(&(l)->val)
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#define local_sub(l) atomic64_sub(&(l)->val)
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/* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */
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#define __local_inc(l) (++(l)->val.counter)
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#define __local_dec(l) (--(l)->val.counter)
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#define __local_add(i,l) ((l)->val.counter += (i))
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#define __local_sub(i,l) ((l)->val.counter -= (i))
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/*
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* Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo),
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* not an address.
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*/
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#define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v))
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#define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i))
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#define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v))
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#define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v))
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#define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v))
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#define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v))
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/*
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* Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt,
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* etc.
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*/
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#define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v))
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#define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v))
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#define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v))
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#define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v))
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#endif /* _ASM_IA64_LOCAL_H */
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