Messages in this thread | | | Date | Wed, 06 Mar 2013 10:15:23 -0800 | From | Dave Hansen <> | Subject | Re: [3.9-rc1 x86] Bug in ioremap code? |
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Does anybody know what this business is in __cpa_process_fault()?
> /* > * Ignore the NULL PTE for kernel identity mapping, as it is expected > * to have holes. > * Also set numpages to '1' indicating that we processed cpa req for > * one virtual address page and its pfn. TBD: numpages can be set based > * on the initial value and the level returned by lookup_address(). > */
If this is expecting the identity mapping to have holes, then the BUG_ON() is wrong. But how would it _get_ holes?
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