[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v4 8/9] xen/arm: Implement hypercall for dirty page tracing
On 10/07/2013 04:51 PM, Eugene Fedotov wrote: > Let me explain. I think the difference between handle_page_fault and > handle_mmio is that the ongoing memory operation (that trapped here) > should be repeated after handle_page_fault (the page fault handler > clears read-only bit), but should be stepped out after handle_mmio (to > do this we call advance_pc to increase the pc register). So, advance_pc > is intentionally missed. Oh right, thanks for the explanation! -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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