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[SPARC64]: TSB refinements.

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Move {init_new,destroy}_context() out of line.

Do not put huge pages into the TSB, only base page size translations.
There are some clever things we could do here, but for now let's be
correct instead of fancy.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-01-31 18:31:06 -08:00
committed by David S. Miller
parent 56fb4df6da
commit 09f94287f7
4 changed files with 45 additions and 30 deletions
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11
arch/sparc64/kernel/tsb.S
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@@ -55,6 +55,17 @@ tsb_reload:
brgez,a,pn %g5, tsb_do_fault
stx %g0, [%g1]
/* If it is larger than the base page size, don't
* bother putting it into the TSB.
*/
srlx %g5, 32, %g2
sethi %hi(_PAGE_ALL_SZ_BITS >> 32), %g4
sethi %hi(_PAGE_SZBITS >> 32), %g7
and %g2, %g4, %g2
cmp %g2, %g7
bne,a,pn %xcc, tsb_tlb_reload
stx %g0, [%g1]
TSB_WRITE(%g1, %g5, %g6)
/* Finally, load TLB and return from trap. */