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[Qemu-devel] [PATCH] Register only one qbus_reset_all_fn() for system bu

From: Dmitry Eremin-Solenikov
Subject: [Qemu-devel] [PATCH] Register only one qbus_reset_all_fn() for system bus
Date: Thu, 10 Mar 2011 11:53:49 +0300

Currently reset handler is registered for System bus twice: once during
bus creation and once in vl.c. Remove the second qemu_register_reset()
invocation. Also while we are at it, remove incorrect check at
qbus_create_inplace(): when system bus is created, main_system_bus is
NULL (as it's not yet created, it cannot be set), so the check is just

Signed-off-by: Dmitry Eremin-Solenikov <address@hidden>
 hw/qdev.c |    2 +-
 vl.c      |    3 ---
 2 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/hw/qdev.c b/hw/qdev.c
index 1aa1ea0..0a3c8ce 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -762,7 +762,7 @@ void qbus_create_inplace(BusState *bus, BusInfo *info,
     if (parent) {
         QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling);
-    } else if (bus != main_system_bus) {
+    } else {
         /* TODO: once all bus devices are qdevified,
            only reset handler for main_system_bus should be registered here. */
         qemu_register_reset(qbus_reset_all_fn, bus);
diff --git a/vl.c b/vl.c
index 91be92e..24923db 100644
--- a/vl.c
+++ b/vl.c
@@ -3120,9 +3120,6 @@ int main(int argc, char **argv, char **envp)
-    /* TODO: once all bus devices are qdevified, this should be done
-     * when bus is created by qdev.c */
-    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());

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