[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v5 2/2] allow hardware domain != dom0
On 16/04/14 19:56, Daniel De Graaf wrote: > static unsigned int __read_mostly extra_dom0_irqs = 256; > static unsigned int __read_mostly extra_domU_irqs = 32; > static void __init parse_extra_guest_irqs(const char *s) > @@ -192,7 +242,7 @@ custom_param("extra_guest_irqs", parse_extra_guest_irqs); > struct domain *domain_create( > domid_t domid, unsigned int domcr_flags, uint32_t ssidref) > { > - struct domain *d, **pd; > + struct domain *d, **pd, *old_hwdom = NULL; > enum { INIT_xsm = 1u<<0, INIT_watchdog = 1u<<1, INIT_rangeset = 1u<<2, > INIT_evtchn = 1u<<3, INIT_gnttab = 1u<<4, INIT_arch = 1u<<5 }; > int err, init_status = 0; > @@ -237,10 +287,12 @@ struct domain *domain_create( > else if ( domcr_flags & DOMCRF_pvh ) > d->guest_type = guest_type_pvh; > > - if ( domid == 0 ) > + if ( domid == 0 || domid == hardware_domid ) > { > + BUG_ON(domid >= DOMID_FIRST_RESERVED); Domid is a signed type. You also need ensure it is not negative, as assign_integer_param() from the command line parsing writes all values as unsigned. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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