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xen: initialize legacy backends from xen_bus_init()

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Prepare for moving the calls to xen_be_register() under the
control of xen_bus_init(), using the normal xen_backend_init()
method that is used by the "modern" backends.

This requires the xenstore global variable to be initialized,
which is done by xen_be_init().  To ensure that everything is
ready at the time the xen_backend_init() functions are called,
remove the xen_be_init() function from all the boards and
place it directly in xen_bus_init().

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240509170044.190795-7-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-05-09 19:00:37 +02:00
parent fa5365e8b6
commit 0973996fe4
4 changed files with 5 additions and 7 deletions
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4
hw/xen/xen-bus.c
View file

@ -13,6 +13,7 @@
#include "hw/sysbus.h"
#include "hw/xen/xen.h"
#include "hw/xen/xen-backend.h"
#include "hw/xen/xen-legacy-backend.h" /* xen_be_init() */
#include "hw/xen/xen-bus.h"
#include "hw/xen/xen-bus-helper.h"
#include "monitor/monitor.h"
@ -329,6 +330,9 @@ static void xen_bus_realize(BusState *bus, Error **errp)
goto fail;
}
/* Initialize legacy backend core & drivers */
xen_be_init();
if (xs_node_scanf(xenbus->xsh, XBT_NULL, "", /* domain root node */
"domid", NULL, "%u", &domid) == 1) {
xenbus->backend_id = domid;

2
hw/xen/xen-hvm-common.c
View file

@ -872,8 +872,6 @@ void xen_register_ioreq(XenIOState *state, unsigned int max_cpus,
xen_bus_init();
xen_be_init();
return;
err: