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- remove dead code

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- revert a previous change to pmap_enter where we
  could skip invalidates on unmanaged pages
This commit is contained in:
Kip Macy 2006-11-26 07:54:44 +00:00
parent 1410101451
commit a06bcaf96b
1 changed files with 10 additions and 19 deletions
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29
sys/sun4v/sun4v/pmap.c
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@ -1031,40 +1031,31 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
tte_data |= VTD_WIRED;
if (pmap == kernel_pmap)
tte_data |= TTE_KERNEL_MINFLAGS;
tte_hash_insert(pmap->pm_hash, va, tte_data|TTE_MINFLAGS|VTD_REF);
tsb_set_tte(&pmap->pm_tsb, va, tte_data|TTE_MINFLAGS|VTD_REF, pmap->pm_context);
invlva = FALSE;
if ((otte_data & ~(VTD_W|VTD_REF)) != tte_data) {
if (otte_data & VTD_MANAGED) {
if (otte_data & VTD_V) {
if (otte_data & VTD_REF) {
vm_page_flag_set(om, PG_REFERENCED);
if (otte_data & VTD_MANAGED)
vm_page_flag_set(om, PG_REFERENCED);
if (opa != pa)
invlva = TRUE;
}
if (otte_data & VTD_W) {
vm_page_dirty(om);
#if 0
if ((prot & VM_PROT_WRITE) == 0) /* XXX double check */
#endif
if (otte_data & VTD_MANAGED)
vm_page_dirty(om);
if ((prot & VM_PROT_WRITE) == 0)
invlva = TRUE;
}
}
}
tte_hash_insert(pmap->pm_hash, va, tte_data|TTE_MINFLAGS|VTD_REF);
tsb_set_tte(&pmap->pm_tsb, va, tte_data|TTE_MINFLAGS|VTD_REF, pmap->pm_context);
if (tte_hash_needs_resize(pmap->pm_hash))
pmap_tte_hash_resize(pmap);
#ifdef notyet
if ((PCPU_GET(curpmap) != kernel_pmap) && (curthread->td_proc->p_numthreads == 1)
&& (pmap->pm_tsb_cap_miss_count > pmap->pm_tsb_miss_count >> 2)) {
int size = tsb_size(&pmap->pm_tsb);
pmap->pm_tsb_ra = tsb_init(&pmap->pm_tsb, &pmap->pm_tsbscratch, size << 1);
pmap->pm_tsb_miss_count = 0;
pmap->pm_tsb_cap_miss_count = 0;
}
#endif
/*
* 512 is an arbitrary number of tsb misses
*/