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[Qemu-devel] [PATCH 1/2] vl: extend qemu_system_guest_panicked with abor
From: |
Sergio Lopez |
Subject: |
[Qemu-devel] [PATCH 1/2] vl: extend qemu_system_guest_panicked with abort_on_panic |
Date: |
Fri, 29 Dec 2017 10:42:05 +0100 |
The abort_on_panic argument for qemu_system_guest_panicked allows
callers to request an immediate abort() of the process.
Signed-off-by: Sergio Lopez <address@hidden>
---
accel/kvm/kvm-all.c | 2 +-
hw/misc/pvpanic.c | 2 +-
hw/ppc/spapr_rtas.c | 2 +-
include/sysemu/sysemu.h | 3 ++-
target/s390x/helper.c | 2 +-
target/s390x/kvm.c | 2 +-
vl.c | 10 ++++++++--
7 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index f290f487a5..fe90789a27 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -1971,7 +1971,7 @@ int kvm_cpu_exec(CPUState *cpu)
case KVM_SYSTEM_EVENT_CRASH:
kvm_cpu_synchronize_state(cpu);
qemu_mutex_lock_iothread();
- qemu_system_guest_panicked(cpu_get_crash_info(cpu));
+ qemu_system_guest_panicked(cpu_get_crash_info(cpu), false);
qemu_mutex_unlock_iothread();
ret = 0;
break;
diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c
index b26250dec9..4fb074df06 100644
--- a/hw/misc/pvpanic.c
+++ b/hw/misc/pvpanic.c
@@ -38,7 +38,7 @@ static void handle_event(int event)
}
if (event & PVPANIC_PANICKED) {
- qemu_system_guest_panicked(NULL);
+ qemu_system_guest_panicked(NULL, false);
return;
}
}
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 4bb939d3d1..775a7bd716 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -294,7 +294,7 @@ static void rtas_ibm_os_term(PowerPCCPU *cpu,
target_ulong args,
uint32_t nret, target_ulong rets)
{
- qemu_system_guest_panicked(NULL);
+ qemu_system_guest_panicked(NULL, false);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 31612caf10..2d8e7371af 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -83,7 +83,8 @@ ShutdownCause qemu_shutdown_requested_get(void);
ShutdownCause qemu_reset_requested_get(void);
void qemu_system_killed(int signal, pid_t pid);
void qemu_system_reset(ShutdownCause reason);
-void qemu_system_guest_panicked(GuestPanicInformation *info);
+void qemu_system_guest_panicked(GuestPanicInformation *info,
+ bool abort_on_panic);
void qemu_add_exit_notifier(Notifier *notify);
void qemu_remove_exit_notifier(Notifier *notify);
diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index 35d9741918..16d88f37f8 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -89,7 +89,7 @@ void s390_handle_wait(S390CPU *cpu)
if (is_special_wait_psw(cpu->env.psw.addr)) {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
} else {
- qemu_system_guest_panicked(NULL);
+ qemu_system_guest_panicked(NULL, false);
}
#endif
}
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 9b8b59f2a2..9948f8c0cb 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1567,7 +1567,7 @@ static void unmanageable_intercept(S390CPU *cpu, const
char *str, int pswoffset)
str, cs->cpu_index, ldq_phys(cs->as, cpu->env.psa +
pswoffset),
ldq_phys(cs->as, cpu->env.psa + pswoffset + 8));
s390_cpu_halt(cpu);
- qemu_system_guest_panicked(NULL);
+ qemu_system_guest_panicked(NULL, false);
}
/* try to detect pgm check loops */
diff --git a/vl.c b/vl.c
index d3a5c5d021..71c1456ea7 100644
--- a/vl.c
+++ b/vl.c
@@ -1751,9 +1751,15 @@ void qemu_system_reset(ShutdownCause reason)
cpu_synchronize_all_post_reset();
}
-void qemu_system_guest_panicked(GuestPanicInformation *info)
+void qemu_system_guest_panicked(GuestPanicInformation *info,
+ bool abort_on_panic)
{
- qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
+ if (abort_on_panic) {
+ qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed, aborting\n");
+ abort();
+ } else {
+ qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
+ }
if (current_cpu) {
current_cpu->crash_occurred = true;
--
2.14.3