[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: xen_hvm_callback_vector
On Fri, 2010-08-27 at 23:57 +0100, Jeremy Fitzhardinge wrote: > Should entry_64.S's xen_hvm_callback_vector be calling > xen_evtchn_do_upcall or xen_hvm_evtchn_do_upcall? > If not the hvm version, when does that get used? xen_evtchn_do_upcall is used for the callback vector interrupt injection (and regular PV obviously). xen_hvm_evtchn_do_upcall is used by the old-style PCI IRQ injection route in platform-pci.c if the callback vector is not available. So entry_64.S should be using xen_evtchn_do_upcall. Also, I think smp_xen_hvm_callback_vector is simply a redundant duplicate of xen_evtchn_do_upcall which could be removed. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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