[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."
I think the right thing is indeed to revert 72a9b186292 (and therefore da72ff5bfcb02). Any objections?For the end result: depends. Is there a real error or not? KarimAllah wrote that his concerns are of a theoretical nature as xen_strict_xenbus_quirk() would mask the problem. OTOH he tells us a 4.9 kernel wouldn't even boot on Xen < 4.0. What is correct here? Judged by 'BUG_ON(!xen_feature(XENFEAT_hvm_callback_vector))' in xen_hvm_guest_init() this can't boot on 3.4. For just reverting the two commits: yes, as there would be conflicts with already applied patches, especially the pv isolation patches by Vitaly and pvh v1 removal. So in case we need a revert I'd ask KarimAllah to send a fixup patch restoring the state before 72a9b186292 while respecting the new structure to be found on the for-linus-4.12 branch of xen/tip. Stable trees (4.9 and 4.10) need a pure revert. 4.11 indeed requires some extra work (and 4.12 is even more involved). -boris _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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