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remove unneeded operations in tsb_set_tte_real - the function is

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only used early in initialization so SMP safeness isn't really an
issue
This commit is contained in:
kmacy 2006-12-18 07:46:59 +00:00
parent f94653c6cc
commit 495cbc7535
1 changed files with 3 additions and 7 deletions
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10
sys/sun4v/sun4v/tsb.c
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@ -133,25 +133,21 @@ tsb_set_tte_real(hv_tsb_info_t *tsb, vm_offset_t index_va, vm_offset_t tag_va,
{
vm_paddr_t tsb_store_pa;
uint64_t tsb_index, tsb_shift, tte_tag;
DPRINTF("tsb_set_tte va: 0x%lx idxpgsz: %x\n", tag_va, tsb->hti_idxpgsz);
DPRINTF("tsb_set_tte index_va: 0x%lx tag_va: 0x%lx idxpgsz: %x ",
index_va, tag_va, tsb->hti_idxpgsz);
tsb_shift = TTE_PAGE_SHIFT(tsb->hti_idxpgsz);
DPRINTF("tsb_shift: 0x%lx\n", tsb_shift);
tsb_index = (index_va >> tsb_shift) & TSB_MASK(tsb);
DPRINTF("tsb_index_absolute: 0x%lx tsb_index: 0x%lx\n", (index_va >> tsb_shift), tsb_index);
tsb_store_pa = tsb->hti_ra + 2*tsb_index*sizeof(uint64_t);
tte_data &= ~VTD_V;
/* store new value with valid bit cleared
* to avoid invalid intermediate value;
*/
store_real(tsb_store_pa + sizeof(uint64_t), tte_data);
tte_data |= VTD_V;
tte_tag = (ctx << TTARGET_CTX_SHIFT) | (tag_va >> TTARGET_VA_SHIFT);
store_real(tsb_store_pa, tte_tag);
store_real(tsb_store_pa + sizeof(uint64_t), tte_data);
store_real(tsb_store_pa, tte_tag);
}