| Message ID | 4FF6B2E7.2060405@cn.fujitsu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 2012-07-06 11:41, Wen Congyang wrote: > The action is the same as -onpanic parameter. As explained in patch 5, now that we have a related device, this no longer needs to be a machine property. Would could be a machine property is enabling/disabling this device. That's probably useful as it uses a fixed PIO port that might conflict with (non-Linux) guest expectations and/or future device models. Jan > > Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> > --- > qemu-config.c | 4 ++++ > qemu-options.hx | 4 +++- > vl.c | 7 +++++++ > 3 files changed, 14 insertions(+), 1 deletions(-) > > diff --git a/qemu-config.c b/qemu-config.c > index 5c3296b..805e7c4 100644 > --- a/qemu-config.c > +++ b/qemu-config.c > @@ -595,6 +595,10 @@ static QemuOptsList qemu_machine_opts = { > .name = "dt_compatible", > .type = QEMU_OPT_STRING, > .help = "Overrides the \"compatible\" property of the dt root node", > + }, { > + .name = "panic_action", > + .type = QEMU_OPT_STRING, > + .help = "The action what QEMU will do when the guest is panicked", > }, > { /* End of list */ } > }, > diff --git a/qemu-options.hx b/qemu-options.hx > index 4a061bf..083a21d 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -33,7 +33,9 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ > " property accel=accel1[:accel2[:...]] selects accelerator\n" > " supported accelerators are kvm, xen, tcg (default: tcg)\n" > " kernel_irqchip=on|off controls accelerated irqchip support\n" > - " kvm_shadow_mem=size of KVM shadow MMU\n", > + " kvm_shadow_mem=size of KVM shadow MMU\n" > + " panic_action=none|pause|poweroff|reset controls what QEmu\n" > + " will do when the guest is panicked", > QEMU_ARCH_ALL) > STEXI > @item -machine [type=]@var{name}[,prop=@var{value}[,...]] > diff --git a/vl.c b/vl.c > index 1a68257..091c43b 100644 > --- a/vl.c > +++ b/vl.c > @@ -2301,6 +2301,7 @@ int main(int argc, char **argv, char **envp) > }; > const char *trace_events = NULL; > const char *trace_file = NULL; > + const char *panic_action = NULL; > > atexit(qemu_run_exit_notifiers); > error_set_progname(argv[0]); > @@ -3372,10 +3373,16 @@ int main(int argc, char **argv, char **envp) > kernel_filename = qemu_opt_get(machine_opts, "kernel"); > initrd_filename = qemu_opt_get(machine_opts, "initrd"); > kernel_cmdline = qemu_opt_get(machine_opts, "append"); > + panic_action = qemu_opt_get(machine_opts, "panic_action"); > } else { > kernel_filename = initrd_filename = kernel_cmdline = NULL; > } > > + if (panic_action && select_panicked_action(panic_action) == -1) { > + fprintf(stderr, "Unknown -panic_action parameter\n"); > + exit(1); > + } > + > if (!kernel_cmdline) { > kernel_cmdline = ""; > } >
At 07/06/2012 07:09 PM, Jan Kiszka Wrote: > On 2012-07-06 11:41, Wen Congyang wrote: >> The action is the same as -onpanic parameter. > > As explained in patch 5, now that we have a related device, this no > longer needs to be a machine property. > > Would could be a machine property is enabling/disabling this device. > That's probably useful as it uses a fixed PIO port that might conflict > with (non-Linux) guest expectations and/or future device models. Yes, it is very useful. I will do it. Thanks Wen Congyang > > Jan > >> >> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> >> --- >> qemu-config.c | 4 ++++ >> qemu-options.hx | 4 +++- >> vl.c | 7 +++++++ >> 3 files changed, 14 insertions(+), 1 deletions(-) >> >> diff --git a/qemu-config.c b/qemu-config.c >> index 5c3296b..805e7c4 100644 >> --- a/qemu-config.c >> +++ b/qemu-config.c >> @@ -595,6 +595,10 @@ static QemuOptsList qemu_machine_opts = { >> .name = "dt_compatible", >> .type = QEMU_OPT_STRING, >> .help = "Overrides the \"compatible\" property of the dt root node", >> + }, { >> + .name = "panic_action", >> + .type = QEMU_OPT_STRING, >> + .help = "The action what QEMU will do when the guest is panicked", >> }, >> { /* End of list */ } >> }, >> diff --git a/qemu-options.hx b/qemu-options.hx >> index 4a061bf..083a21d 100644 >> --- a/qemu-options.hx >> +++ b/qemu-options.hx >> @@ -33,7 +33,9 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ >> " property accel=accel1[:accel2[:...]] selects accelerator\n" >> " supported accelerators are kvm, xen, tcg (default: tcg)\n" >> " kernel_irqchip=on|off controls accelerated irqchip support\n" >> - " kvm_shadow_mem=size of KVM shadow MMU\n", >> + " kvm_shadow_mem=size of KVM shadow MMU\n" >> + " panic_action=none|pause|poweroff|reset controls what QEmu\n" >> + " will do when the guest is panicked", >> QEMU_ARCH_ALL) >> STEXI >> @item -machine [type=]@var{name}[,prop=@var{value}[,...]] >> diff --git a/vl.c b/vl.c >> index 1a68257..091c43b 100644 >> --- a/vl.c >> +++ b/vl.c >> @@ -2301,6 +2301,7 @@ int main(int argc, char **argv, char **envp) >> }; >> const char *trace_events = NULL; >> const char *trace_file = NULL; >> + const char *panic_action = NULL; >> >> atexit(qemu_run_exit_notifiers); >> error_set_progname(argv[0]); >> @@ -3372,10 +3373,16 @@ int main(int argc, char **argv, char **envp) >> kernel_filename = qemu_opt_get(machine_opts, "kernel"); >> initrd_filename = qemu_opt_get(machine_opts, "initrd"); >> kernel_cmdline = qemu_opt_get(machine_opts, "append"); >> + panic_action = qemu_opt_get(machine_opts, "panic_action"); >> } else { >> kernel_filename = initrd_filename = kernel_cmdline = NULL; >> } >> >> + if (panic_action && select_panicked_action(panic_action) == -1) { >> + fprintf(stderr, "Unknown -panic_action parameter\n"); >> + exit(1); >> + } >> + >> if (!kernel_cmdline) { >> kernel_cmdline = ""; >> } >> > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/qemu-config.c b/qemu-config.c index 5c3296b..805e7c4 100644 --- a/qemu-config.c +++ b/qemu-config.c @@ -595,6 +595,10 @@ static QemuOptsList qemu_machine_opts = { .name = "dt_compatible", .type = QEMU_OPT_STRING, .help = "Overrides the \"compatible\" property of the dt root node", + }, { + .name = "panic_action", + .type = QEMU_OPT_STRING, + .help = "The action what QEMU will do when the guest is panicked", }, { /* End of list */ } }, diff --git a/qemu-options.hx b/qemu-options.hx index 4a061bf..083a21d 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -33,7 +33,9 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " property accel=accel1[:accel2[:...]] selects accelerator\n" " supported accelerators are kvm, xen, tcg (default: tcg)\n" " kernel_irqchip=on|off controls accelerated irqchip support\n" - " kvm_shadow_mem=size of KVM shadow MMU\n", + " kvm_shadow_mem=size of KVM shadow MMU\n" + " panic_action=none|pause|poweroff|reset controls what QEmu\n" + " will do when the guest is panicked", QEMU_ARCH_ALL) STEXI @item -machine [type=]@var{name}[,prop=@var{value}[,...]] diff --git a/vl.c b/vl.c index 1a68257..091c43b 100644 --- a/vl.c +++ b/vl.c @@ -2301,6 +2301,7 @@ int main(int argc, char **argv, char **envp) }; const char *trace_events = NULL; const char *trace_file = NULL; + const char *panic_action = NULL; atexit(qemu_run_exit_notifiers); error_set_progname(argv[0]); @@ -3372,10 +3373,16 @@ int main(int argc, char **argv, char **envp) kernel_filename = qemu_opt_get(machine_opts, "kernel"); initrd_filename = qemu_opt_get(machine_opts, "initrd"); kernel_cmdline = qemu_opt_get(machine_opts, "append"); + panic_action = qemu_opt_get(machine_opts, "panic_action"); } else { kernel_filename = initrd_filename = kernel_cmdline = NULL; } + if (panic_action && select_panicked_action(panic_action) == -1) { + fprintf(stderr, "Unknown -panic_action parameter\n"); + exit(1); + } + if (!kernel_cmdline) { kernel_cmdline = ""; }
The action is the same as -onpanic parameter. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> --- qemu-config.c | 4 ++++ qemu-options.hx | 4 +++- vl.c | 7 +++++++ 3 files changed, 14 insertions(+), 1 deletions(-)