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Add inlines for demapping a range of pages from the itlb and dtlb. This

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will be used to reduce the number of tlb shootdown ipis in an smp system
by sending one ipi for a whole range of pages, instead of one per page.
Munge the context demap operations slightly to support demapping a non-primary
context.
This commit is contained in:
Jake Burkholder 2002-02-23 21:10:06 +00:00
parent 9880a81276
commit 4d6fc96f19
1 changed files with 16 additions and 5 deletions
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21
sys/sparc64/include/tlb.h
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@ -187,12 +187,10 @@ tlb_itlb_store(vm_offset_t va, u_long ctx, struct tte tte)
}
static __inline void
tlb_context_primary_demap(u_int tlb)
tlb_context_demap(u_int context)
{
if (tlb & TLB_DTLB)
tlb_dtlb_context_primary_demap();
if (tlb & TLB_ITLB)
tlb_itlb_context_primary_demap();
tlb_dtlb_context_primary_demap();
tlb_itlb_context_primary_demap();
}
static __inline void
@ -216,6 +214,19 @@ tlb_page_demap(u_int tlb, u_int ctx, vm_offset_t va)
tlb_itlb_page_demap(ctx, va);
}
static __inline void
tlb_range_demap(u_int ctx, vm_offset_t start, vm_offset_t end)
{
for (; start < end; start += PAGE_SIZE)
tlb_page_demap(TLB_DTLB | TLB_ITLB, ctx, start);
}
static __inline void
tlb_tte_demap(struct tte tte, vm_offset_t va)
{
tlb_page_demap(TD_GET_TLB(tte.tte_data), TT_GET_CTX(tte.tte_tag), va);
}
static __inline void
tlb_store(u_int tlb, vm_offset_t va, u_long ctx, struct tte tte)
{