From 04d472dc83388c59deb6241e9aed841926aa1c8c Mon Sep 17 00:00:00 2001 From: Grant Grundler Date: Fri, 21 Oct 2005 22:40:24 -0400 Subject: [PATCH] [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 Signed-off-by: Kyle McMartin --- include/asm-parisc/system.h | 19 ------------------- include/asm-parisc/tlbflush.h | 20 ++++++++++++++++++++ 2 files changed, 20 insertions(+), 19 deletions(-) diff --git a/include/asm-parisc/system.h b/include/asm-parisc/system.h index 26ff844a21c1..a25e9dcd2e79 100644 --- a/include/asm-parisc/system.h +++ b/include/asm-parisc/system.h @@ -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 diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h index efbb2d8625b1..84af4ab1fe51 100644 --- a/include/asm-parisc/tlbflush.h +++ b/include/asm-parisc/tlbflush.h @@ -7,6 +7,26 @@ #include #include + +/* 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); /* -- 2.39.5