[v3,03/10] cpu: Document why cannot_instantiate_with_device_add_yet

Submitted by Markus Armbruster on Oct. 30, 2013, 4:28 p.m.

Details

Message ID 1383150524-16250-4-git-send-email-armbru@redhat.com
State New
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Commit Message

Markus Armbruster Oct. 30, 2013, 4:28 p.m.
From: Markus Armbruster <armbru@redhat.com>

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
 qom/cpu.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

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diff --git a/qom/cpu.c b/qom/cpu.c
index 09c15e6..6e0d54e 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -254,7 +254,11 @@  static void cpu_class_init(ObjectClass *klass, void *data)
     k->gdb_read_register = cpu_common_gdb_read_register;
     k->gdb_write_register = cpu_common_gdb_write_register;
     dc->realize = cpu_common_realizefn;
-    dc->cannot_instantiate_with_device_add_yet = true; /* FIXME explain why */
+    /*
+     * Reason: CPUs still need special care by board code: wiring up
+     * IRQs, adding reset handlers, halting non-first CPUS, ...
+     */
+    dc->cannot_instantiate_with_device_add_yet = true;
 }
 
 static const TypeInfo cpu_type_info = {