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[SPARC64]: dr-cpu unconfigure support.

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Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2007-07-16 03:49:40 -07:00
commit e0204409df
7 changed files with 171 additions and 21 deletions
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2
include/asm-sparc64/irq.h
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@ -53,6 +53,8 @@ extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
extern void sun4v_destroy_msi(unsigned int virt_irq);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
extern void fixup_irqs(void);
static __inline__ void set_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%set_softint"

3
include/asm-sparc64/mmu_context.h
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@ -76,6 +76,9 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
unsigned long ctx_valid, flags;
int cpu;
if (unlikely(mm == &init_mm))
return;
spin_lock_irqsave(&mm->context.lock, flags);
ctx_valid = CTX_VALID(mm->context);
if (!ctx_valid)

3
include/asm-sparc64/smp.h
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@ -41,7 +41,7 @@ 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 unsigned char boot_cpu_id;
extern void cpu_play_dead(void);
#ifdef CONFIG_HOTPLUG_CPU
extern int __cpu_disable(void);
@ -54,7 +54,6 @@ extern void __cpu_die(unsigned int cpu);
#define hard_smp_processor_id() 0
#define smp_fill_in_sib_core_maps() do { } while (0)
#define boot_cpu_id (0)
#endif /* !(CONFIG_SMP) */