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Commit 04d472dc authored by Grant Grundler's avatar Grant Grundler Committed by Kyle McMartin
Browse files

[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: default avatarGrant Grundler <grundler@parisc-linux.org>

Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 896a3756

include/asm-parisc/system.h

+0 −19
Original line number Diff line number Diff line
@@ -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

include/asm-parisc/tlbflush.h

+20 −0
Original line number Diff line number Diff line
@@ -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);



/*