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[PARISC] Move pa_tlb_lock to tlb_flush.h 

move pa_tlb_lock and it's primary consumers to tlb_flush.h
Future step will be to move spinlock_t definition out of system.h.

Signed-off-by: Grant Grundler <grundler@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Grant Grundler 2005-10-21 22:40:24 -04:00 committed by Kyle McMartin
parent 896a375623
commit 04d472dc83
2 changed files with 20 additions and 19 deletions
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19
include/asm-parisc/system.h
View File

@ -164,25 +164,6 @@ static inline void set_eiem(unsigned long val)
#endif
#define KERNEL_START (0x10100000 - 0x1000)
/* This is for the serialisation of PxTLB broadcasts. At least on the
* N class systems, only one PxTLB inter processor broadcast can be
* active at any one time on the Merced bus. This tlb purge
* synchronisation is fairly lightweight and harmless so we activate
* it on all SMP systems not just the N class. */
#ifdef CONFIG_SMP
extern spinlock_t pa_tlb_lock;
#define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
#else
#define purge_tlb_start(x) do { } while(0)
#define purge_tlb_end(x) do { } while (0)
#endif
#define arch_align_stack(x) (x)
#endif

20
include/asm-parisc/tlbflush.h
View File

@ -7,6 +7,26 @@
#include <linux/mm.h>
#include <asm/mmu_context.h>
/* This is for the serialisation of PxTLB broadcasts. At least on the
* N class systems, only one PxTLB inter processor broadcast can be
* active at any one time on the Merced bus. This tlb purge
* synchronisation is fairly lightweight and harmless so we activate
* it on all SMP systems not just the N class. */
#ifdef CONFIG_SMP
extern spinlock_t pa_tlb_lock;
#define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
#else
#define purge_tlb_start(x) do { } while(0)
#define purge_tlb_end(x) do { } while (0)
#endif
extern void flush_tlb_all(void);
/*