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authorJason Andryuk <jandryuk@gmail.com>2020-10-13 10:05:11 -0400
committerThomas Huth <thuth@redhat.com>2020-10-24 07:23:19 +0200
commitefd4d93b530807921b1940e13990c561530618d3 (patch)
tree9c8228aaad75f09779f8229e88f2753e540bf471
parent9ce84a0d17d015f059a6750fbbf4b057806751df (diff)
accel: Add xen CpusAccel using dummy-cpus
Xen was broken by commit 1583a3898853 ("cpus: extract out qtest-specific code to accel/qtest"). Xen relied on qemu_init_vcpu() calling qemu_dummy_start_vcpu() in the default case, but that was replaced by g_assert_not_reached(). Add a minimal "CpusAccel" for Xen using the dummy-cpus implementation used by qtest. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Message-Id: <20201013140511.5681-4-jandryuk@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Claudio Fontana <cfontana@suse.de> Acked-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
-rw-r--r--accel/meson.build1
-rw-r--r--accel/xen/xen-all.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/accel/meson.build b/accel/meson.build
index 9a417396bd..b26cca227a 100644
--- a/accel/meson.build
+++ b/accel/meson.build
@@ -12,3 +12,4 @@ dummy_ss.add(files(
))
specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: dummy_ss)
+specific_ss.add_all(when: ['CONFIG_XEN'], if_true: dummy_ss)
diff --git a/accel/xen/xen-all.c b/accel/xen/xen-all.c
index 60b971d0a8..878a4089d9 100644
--- a/accel/xen/xen-all.c
+++ b/accel/xen/xen-all.c
@@ -16,6 +16,7 @@
#include "hw/xen/xen_pt.h"
#include "chardev/char.h"
#include "sysemu/accel.h"
+#include "sysemu/cpus.h"
#include "sysemu/xen.h"
#include "sysemu/runstate.h"
#include "migration/misc.h"
@@ -153,6 +154,10 @@ static void xen_setup_post(MachineState *ms, AccelState *accel)
}
}
+const CpusAccel xen_cpus = {
+ .create_vcpu_thread = dummy_start_vcpu_thread,
+};
+
static int xen_init(MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
@@ -180,6 +185,9 @@ static int xen_init(MachineState *ms)
* opt out of system RAM being allocated by generic code
*/
mc->default_ram_id = NULL;
+
+ cpus_register_accel(&xen_cpus);
+
return 0;
}