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-rw-r--r--hw/s390x/ipl.c8
-rw-r--r--include/sysemu/sysemu.h4
-rw-r--r--vl.c4
3 files changed, 13 insertions, 3 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 0d67349..f278036 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -535,7 +535,13 @@ void s390_ipl_reset_request(CPUState *cs, enum s390_reset reset_type)
ipl->iplb_valid = s390_gen_initial_iplb(ipl);
}
}
- qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
+ if (reset_type == S390_RESET_MODIFIED_CLEAR ||
+ reset_type == S390_RESET_LOAD_NORMAL) {
+ /* ignore -no-reboot, send no event */
+ qemu_system_reset_request(SHUTDOWN_CAUSE_SUBSYSTEM_RESET);
+ } else {
+ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
+ }
/* as this is triggered by a CPU, make sure to exit the loop */
if (tcg_enabled()) {
cpu_loop_exit(cs);
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index b921c6f..76ef619 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -44,6 +44,10 @@ typedef enum ShutdownCause {
turns that into a shutdown */
SHUTDOWN_CAUSE_GUEST_PANIC, /* Guest panicked, and command line turns
that into a shutdown */
+ SHUTDOWN_CAUSE_SUBSYSTEM_RESET,/* Partial guest reset that does not trigger
+ QMP events and ignores --no-reboot. This
+ is useful for sanitize hypercalls on s390
+ that are used during kexec/kdump/boot */
SHUTDOWN_CAUSE__MAX,
} ShutdownCause;
diff --git a/vl.c b/vl.c
index ef6cfce..9442bee 100644
--- a/vl.c
+++ b/vl.c
@@ -1645,7 +1645,7 @@ void qemu_system_reset(ShutdownCause reason)
} else {
qemu_devices_reset();
}
- if (reason) {
+ if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
qapi_event_send_reset(shutdown_caused_by_guest(reason),
&error_abort);
}
@@ -1691,7 +1691,7 @@ void qemu_system_guest_panicked(GuestPanicInformation *info)
void qemu_system_reset_request(ShutdownCause reason)
{
- if (no_reboot) {
+ if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
shutdown_requested = reason;
} else {
reset_requested = reason;