[PATCH 2/5] xen: Read only crash notes for onlined CPUs

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Read only crash notes for onlined CPUs. Crash notes for not running
CPUs does not exist in core file. Do not try to read them.

Signed-off-by: Daniel Kiper <daniel.kiper at oracle.com>

diff -Npru crash-6.0.8.orig/xen_hyper.c crash-6.0.8/xen_hyper.c
--- crash-6.0.8.orig/xen_hyper.c	2012-07-05 15:34:45.000000000 +0200
+++ crash-6.0.8/xen_hyper.c	2012-07-05 15:35:05.000000000 +0200
@@ -633,18 +633,18 @@ xen_hyper_dumpinfo_init(void)
 	}
 
 	/* allocate a context area */
-	size = sizeof(struct xen_hyper_dumpinfo_context) * XEN_HYPER_MAX_CPUS();
+	size = sizeof(struct xen_hyper_dumpinfo_context) * machdep->get_smp_cpus();
 	if((xhdit->context_array = malloc(size)) == NULL) {
 		error(FATAL, "cannot malloc dumpinfo table context space.\n");
 	}
 	BZERO(xhdit->context_array, size);
-	size = sizeof(struct xen_hyper_dumpinfo_context_xen_core) * XEN_HYPER_MAX_CPUS();
+	size = sizeof(struct xen_hyper_dumpinfo_context_xen_core) * machdep->get_smp_cpus();
 	if((xhdit->context_xen_core_array = malloc(size)) == NULL) {
 		error(FATAL, "cannot malloc dumpinfo table context_xen_core_array space.\n");
 	}
 	BZERO(xhdit->context_xen_core_array, size);
 	addr = symbol_value("per_cpu__crash_notes");
-	for (i = 0; i < XEN_HYPER_MAX_CPUS(); i++) {
+	for (i = 0; i < machdep->get_smp_cpus(); i++) {
 		ulong addr_notes;
 
 		addr_notes = xen_hyper_per_cpu(addr, i);



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