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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sparc/include/asm/smp_64.h | |
parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
download | op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/sparc/include/asm/smp_64.h')
-rw-r--r-- | arch/sparc/include/asm/smp_64.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h new file mode 100644 index 0000000..57224dd --- /dev/null +++ b/arch/sparc/include/asm/smp_64.h @@ -0,0 +1,67 @@ +/* smp.h: Sparc64 specific SMP stuff. + * + * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) + */ + +#ifndef _SPARC64_SMP_H +#define _SPARC64_SMP_H + +#include <linux/threads.h> +#include <asm/asi.h> +#include <asm/starfire.h> +#include <asm/spitfire.h> + +#ifndef __ASSEMBLY__ + +#include <linux/cpumask.h> +#include <linux/cache.h> + +#endif /* !(__ASSEMBLY__) */ + +#ifdef CONFIG_SMP + +#ifndef __ASSEMBLY__ + +/* + * Private routines/data + */ + +#include <linux/bitops.h> +#include <asm/atomic.h> +#include <asm/percpu.h> + +DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); +extern cpumask_t cpu_core_map[NR_CPUS]; +extern int sparc64_multi_core; + +extern void arch_send_call_function_single_ipi(int cpu); +extern void arch_send_call_function_ipi(cpumask_t mask); + +/* + * General functions that each host system must provide. + */ + +extern int hard_smp_processor_id(void); +#define raw_smp_processor_id() (current_thread_info()->cpu) + +extern void smp_fill_in_sib_core_maps(void); +extern void cpu_play_dead(void); + +extern void smp_fetch_global_regs(void); + +#ifdef CONFIG_HOTPLUG_CPU +extern int __cpu_disable(void); +extern void __cpu_die(unsigned int cpu); +#endif + +#endif /* !(__ASSEMBLY__) */ + +#else + +#define hard_smp_processor_id() 0 +#define smp_fill_in_sib_core_maps() do { } while (0) +#define smp_fetch_global_regs() do { } while (0) + +#endif /* !(CONFIG_SMP) */ + +#endif /* !(_SPARC64_SMP_H) */ |