xen/intr: remove type argument from xen_intr_alloc_isrc()
This value doesn't need to be set in xen_intr_alloc_isrc(). What is needed is simply to ensure the allocated xenisrc won't appear as free, even if xi_type is written non-atomically. Since the type is no longer used to indicate free or not, the calling function should take care of all non-architecture initialization. Reviewed by: royger Differential Revision: https://reviews.freebsd.org/D31188
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@ -260,7 +260,7 @@ evtchn_cpu_unmask_port(u_int cpu, evtchn_port_t port)
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* object or NULL.
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*/
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static struct xenisrc *
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xen_intr_alloc_isrc(enum evtchn_type type)
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xen_intr_alloc_isrc(void)
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{
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static int warned;
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struct xenisrc *isrc;
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@ -279,7 +279,6 @@ xen_intr_alloc_isrc(enum evtchn_type type)
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KASSERT(isrc->xi_arch.intsrc.is_handlers == 0,
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("Free evtchn still has handlers"));
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isrc->xi_type = type;
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return (isrc);
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}
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@ -302,7 +301,6 @@ xen_intr_alloc_isrc(enum evtchn_type type)
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isrc = malloc(sizeof(*isrc), M_XENINTR, M_WAITOK | M_ZERO);
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isrc->xi_arch.intsrc.is_pic = &xen_intr_pic;
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isrc->xi_arch.vector = vector;
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isrc->xi_type = type;
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error = intr_register_source(&isrc->xi_arch.intsrc);
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if (error != 0)
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panic("%s(): failed registering interrupt %u, error=%d\n",
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@ -394,11 +392,12 @@ xen_intr_bind_isrc(struct xenisrc **isrcp, evtchn_port_t local_port,
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}
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*port_handlep = NULL;
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isrc = xen_intr_alloc_isrc(type);
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isrc = xen_intr_alloc_isrc();
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if (isrc == NULL)
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return (ENOSPC);
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isrc->xi_cookie = NULL;
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isrc->xi_type = type;
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isrc->xi_port = local_port;
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isrc->xi_close = false;
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isrc->xi_cpu = 0;
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