sparc64: Fix ITLB handler of null page
1)Use kvmap_itlb_longpath instead of kvmap_dtlb_longpath. 2)Handle page #0 only, don't handle page #1: bleu -> blu (KERNBASE is 0x400000, so #1 does not exist too. But everything is possible in the future. Fix to not to have problems later.) 3)Remove unused kvmap_itlb_nonlinear. Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> CC: David Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -25,11 +25,10 @@ kvmap_itlb:
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*/
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kvmap_itlb_4v:
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kvmap_itlb_nonlinear:
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/* Catch kernel NULL pointer calls. */
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sethi %hi(PAGE_SIZE), %g5
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cmp %g4, %g5
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bleu,pn %xcc, kvmap_dtlb_longpath
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blu,pn %xcc, kvmap_itlb_longpath
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nop
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KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_itlb_load)
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