Chen, Kenneth W wrote: ...
@@ -216,21 +216,11 @@ ENTRY(vhpt_miss) * r18 = *pte */ ld8 r25=[r21] // read *pte again - ld8 r26=[r17] // read *pmd again -#ifdef CONFIG_PGTABLE_4 - ld8 r19=[r28] // read *pud again -#endif - cmp.ne p6,p7=r0,r0 ;; - cmp.ne.or.andcm p6,p7=r26,r20 // did *pmd change -#ifdef CONFIG_PGTABLE_4 - cmp.ne.or.andcm p6,p7=r19,r29 // did *pud change -#endif
... You explained me a month ago why pud...pmd pointers are re-checked in "vhpt_miss". Later I pointed out that *pgd has to be re-read and compared, too. Could you please explain why you think it is not necessary any more to re-check them? Thanks, Zoltan - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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