[PATCH 0/2] qapi: Remove deprecated events

Remove MEM_UNPLUG_ERROR and 'vcpu' field in TRACE events, all deprecated since long enough. Philippe Mathieu-Daudé (2): hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event trace: Remove deprecated 'vcpu' field from QMP trace events docs/about/deprecated.rst | 16 ---------------- docs/about/removed-features.rst | 15 +++++++++++++++ qapi/machine.json | 28 ---------------------------- qapi/trace.json | 27 +++------------------------ hw/acpi/memory_hotplug.c | 8 -------- hw/ppc/spapr.c | 11 +---------- trace/qmp.c | 2 -- trace/trace-hmp-cmds.c | 4 ++-- 8 files changed, 21 insertions(+), 90 deletions(-) -- 2.41.0

The MEM_UNPLUG_ERROR event is deprecated since commit d43f1670c7 ("qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event"), time to remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- docs/about/deprecated.rst | 5 ----- docs/about/removed-features.rst | 9 +++++++++ qapi/machine.json | 28 ---------------------------- hw/acpi/memory_hotplug.c | 8 -------- hw/ppc/spapr.c | 11 +---------- 5 files changed, 10 insertions(+), 51 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 40585ca7d5..4a61894db6 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -151,11 +151,6 @@ property types. QEMU Machine Protocol (QMP) events ---------------------------------- -``MEM_UNPLUG_ERROR`` (since 6.2) -'''''''''''''''''''''''''''''''''''''''''''''''''''''''' - -Use the more generic event ``DEVICE_UNPLUG_GUEST_ERROR`` instead. - ``vcpu`` trace events (since 8.1) ''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index fba0cfb0b0..f1e70263e2 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -671,6 +671,15 @@ Use ``multifd-channels`` instead. Use ``multifd-compression`` instead. +QEMU Machine Protocol (QMP) events +---------------------------------- + +``MEM_UNPLUG_ERROR`` (removed in 9.1) +''''''''''''''''''''''''''''''''''''' + +MEM_UNPLUG_ERROR has been replaced by the more generic ``DEVICE_UNPLUG_GUEST_ERROR`` event. + + Human Monitor Protocol (HMP) commands ------------------------------------- diff --git a/qapi/machine.json b/qapi/machine.json index bce6e1bbc4..453feb9347 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -1607,34 +1607,6 @@ { 'event': 'MEMORY_DEVICE_SIZE_CHANGE', 'data': { '*id': 'str', 'size': 'size', 'qom-path' : 'str'} } -## -# @MEM_UNPLUG_ERROR: -# -# Emitted when memory hot unplug error occurs. -# -# @device: device name -# -# @msg: Informative message -# -# Features: -# -# @deprecated: This event is deprecated. Use -# @DEVICE_UNPLUG_GUEST_ERROR instead. -# -# Since: 2.4 -# -# Example: -# -# <- { "event": "MEM_UNPLUG_ERROR", -# "data": { "device": "dimm1", -# "msg": "acpi: device unplug for unsupported device" -# }, -# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } -## -{ 'event': 'MEM_UNPLUG_ERROR', - 'data': { 'device': 'str', 'msg': 'str' }, - 'features': ['deprecated'] } - ## # @BootConfiguration: # diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index de6f974ebb..9b974b7274 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -178,14 +178,6 @@ static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); if (local_err) { trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector); - - /* - * Send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_GUEST_ERROR - * while the deprecation of MEM_UNPLUG_ERROR is - * pending. - */ - qapi_event_send_mem_unplug_error(dev->id ? : "", - error_get_pretty(local_err)); qapi_event_send_device_unplug_guest_error(dev->id, dev->canonical_path); error_free(local_err); diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 4345764bce..81a187f126 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3786,7 +3786,6 @@ void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev) SpaprDrc *drc; uint32_t nr_lmbs; uint64_t size, addr_start, addr; - g_autofree char *qapi_error = NULL; int i; if (!dev) { @@ -3823,16 +3822,8 @@ void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev) /* * Tell QAPI that something happened and the memory - * hotunplug wasn't successful. Keep sending - * MEM_UNPLUG_ERROR even while sending - * DEVICE_UNPLUG_GUEST_ERROR until the deprecation of - * MEM_UNPLUG_ERROR is due. + * hotunplug wasn't successful. */ - qapi_error = g_strdup_printf("Memory hotunplug rejected by the guest " - "for device %s", dev->id); - - qapi_event_send_mem_unplug_error(dev->id ? : "", qapi_error); - qapi_event_send_device_unplug_guest_error(dev->id, dev->canonical_path); } -- 2.41.0

On 5/30/24 12:45, Philippe Mathieu-Daudé wrote:
The MEM_UNPLUG_ERROR event is deprecated since commit d43f1670c7 ("qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event"), time to remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- docs/about/deprecated.rst | 5 ----- docs/about/removed-features.rst | 9 +++++++++ qapi/machine.json | 28 ---------------------------- hw/acpi/memory_hotplug.c | 8 -------- hw/ppc/spapr.c | 11 +---------- 5 files changed, 10 insertions(+), 51 deletions(-)
For spapr: Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 40585ca7d5..4a61894db6 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -151,11 +151,6 @@ property types. QEMU Machine Protocol (QMP) events ----------------------------------
-``MEM_UNPLUG_ERROR`` (since 6.2) -'''''''''''''''''''''''''''''''''''''''''''''''''''''''' - -Use the more generic event ``DEVICE_UNPLUG_GUEST_ERROR`` instead. - ``vcpu`` trace events (since 8.1) '''''''''''''''''''''''''''''''''
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index fba0cfb0b0..f1e70263e2 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -671,6 +671,15 @@ Use ``multifd-channels`` instead.
Use ``multifd-compression`` instead.
+QEMU Machine Protocol (QMP) events +---------------------------------- + +``MEM_UNPLUG_ERROR`` (removed in 9.1) +''''''''''''''''''''''''''''''''''''' + +MEM_UNPLUG_ERROR has been replaced by the more generic ``DEVICE_UNPLUG_GUEST_ERROR`` event. + + Human Monitor Protocol (HMP) commands -------------------------------------
diff --git a/qapi/machine.json b/qapi/machine.json index bce6e1bbc4..453feb9347 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -1607,34 +1607,6 @@ { 'event': 'MEMORY_DEVICE_SIZE_CHANGE', 'data': { '*id': 'str', 'size': 'size', 'qom-path' : 'str'} }
-## -# @MEM_UNPLUG_ERROR: -# -# Emitted when memory hot unplug error occurs. -# -# @device: device name -# -# @msg: Informative message -# -# Features: -# -# @deprecated: This event is deprecated. Use -# @DEVICE_UNPLUG_GUEST_ERROR instead. -# -# Since: 2.4 -# -# Example: -# -# <- { "event": "MEM_UNPLUG_ERROR", -# "data": { "device": "dimm1", -# "msg": "acpi: device unplug for unsupported device" -# }, -# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } -## -{ 'event': 'MEM_UNPLUG_ERROR', - 'data': { 'device': 'str', 'msg': 'str' }, - 'features': ['deprecated'] } - ## # @BootConfiguration: # diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index de6f974ebb..9b974b7274 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -178,14 +178,6 @@ static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); if (local_err) { trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector); - - /* - * Send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_GUEST_ERROR - * while the deprecation of MEM_UNPLUG_ERROR is - * pending. - */ - qapi_event_send_mem_unplug_error(dev->id ? : "", - error_get_pretty(local_err)); qapi_event_send_device_unplug_guest_error(dev->id, dev->canonical_path); error_free(local_err); diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 4345764bce..81a187f126 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3786,7 +3786,6 @@ void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev) SpaprDrc *drc; uint32_t nr_lmbs; uint64_t size, addr_start, addr; - g_autofree char *qapi_error = NULL; int i;
if (!dev) { @@ -3823,16 +3822,8 @@ void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev)
/* * Tell QAPI that something happened and the memory - * hotunplug wasn't successful. Keep sending - * MEM_UNPLUG_ERROR even while sending - * DEVICE_UNPLUG_GUEST_ERROR until the deprecation of - * MEM_UNPLUG_ERROR is due. + * hotunplug wasn't successful. */ - qapi_error = g_strdup_printf("Memory hotunplug rejected by the guest " - "for device %s", dev->id); - - qapi_event_send_mem_unplug_error(dev->id ? : "", qapi_error); - qapi_event_send_device_unplug_guest_error(dev->id, dev->canonical_path); }

'vcpu' fields are deprecated since commit 5485e52a33 ("qapi: make the vcpu parameters deprecated for 8.1"), time to remove them. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- docs/about/deprecated.rst | 11 ----------- docs/about/removed-features.rst | 6 ++++++ qapi/trace.json | 27 +++------------------------ trace/qmp.c | 2 -- trace/trace-hmp-cmds.c | 4 ++-- 5 files changed, 11 insertions(+), 39 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4a61894db6..187c8a3f97 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -148,17 +148,6 @@ accepted incorrect commands will return an error. Users should make sure that all arguments passed to ``device_add`` are consistent with the documented property types. -QEMU Machine Protocol (QMP) events ----------------------------------- - -``vcpu`` trace events (since 8.1) -''''''''''''''''''''''''''''''''' - -The ability to instrument QEMU helper functions with vCPU-aware trace -points was removed in 7.0. However QMP still exposed the vcpu -parameter. This argument has now been deprecated and the remaining -remaining trace points that used it are selected just by name. - Host Architectures ------------------ diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index f1e70263e2..1e64c27cd8 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -679,6 +679,12 @@ QEMU Machine Protocol (QMP) events MEM_UNPLUG_ERROR has been replaced by the more generic ``DEVICE_UNPLUG_GUEST_ERROR`` event. +``vcpu`` trace events (removed in 9.1) +'''''''''''''''''''''''''''''''''''''' + +The ability to instrument QEMU helper functions with vCPU-aware trace +points was removed in 7.0. + Human Monitor Protocol (HMP) commands ------------------------------------- diff --git a/qapi/trace.json b/qapi/trace.json index 043d12f83e..9ebb6d9eaf 100644 --- a/qapi/trace.json +++ b/qapi/trace.json @@ -35,17 +35,10 @@ # # @state: Tracing state. # -# @vcpu: Whether this is a per-vCPU event (since 2.7). -# -# Features: -# -# @deprecated: Member @vcpu is deprecated, and always ignored. -# # Since: 2.2 ## { 'struct': 'TraceEventInfo', - 'data': {'name': 'str', 'state': 'TraceEventState', - 'vcpu': { 'type': 'bool', 'features': ['deprecated'] } } } + 'data': {'name': 'str', 'state': 'TraceEventState' } } ## # @trace-event-get-state: @@ -54,12 +47,6 @@ # # @name: Event name pattern (case-sensitive glob). # -# @vcpu: The vCPU to query (since 2.7). -# -# Features: -# -# @deprecated: Member @vcpu is deprecated, and always ignored. -# # Returns: a list of @TraceEventInfo for the matching events # # Since: 2.2 @@ -71,8 +58,7 @@ # <- { "return": [ { "name": "qemu_memalign", "state": "disabled", "vcpu": false } ] } ## { 'command': 'trace-event-get-state', - 'data': {'name': 'str', - '*vcpu': {'type': 'int', 'features': ['deprecated'] } }, + 'data': {'name': 'str' }, 'returns': ['TraceEventInfo'] } ## @@ -86,12 +72,6 @@ # # @ignore-unavailable: Do not match unavailable events with @name. # -# @vcpu: The vCPU to act upon (all by default; since 2.7). -# -# Features: -# -# @deprecated: Member @vcpu is deprecated, and always ignored. -# # Since: 2.2 # # Example: @@ -101,5 +81,4 @@ # <- { "return": {} } ## { 'command': 'trace-event-set-state', - 'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool', - '*vcpu': {'type': 'int', 'features': ['deprecated'] } } } + 'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool' } } diff --git a/trace/qmp.c b/trace/qmp.c index 3e3971c6a8..074a27b204 100644 --- a/trace/qmp.c +++ b/trace/qmp.c @@ -48,7 +48,6 @@ static bool check_events(bool ignore_unavailable, bool is_pattern, } TraceEventInfoList *qmp_trace_event_get_state(const char *name, - bool has_vcpu, int64_t vcpu, Error **errp) { TraceEventInfoList *events = NULL; @@ -86,7 +85,6 @@ TraceEventInfoList *qmp_trace_event_get_state(const char *name, void qmp_trace_event_set_state(const char *name, bool enable, bool has_ignore_unavailable, bool ignore_unavailable, - bool has_vcpu, int64_t vcpu, Error **errp) { TraceEventIter iter; diff --git a/trace/trace-hmp-cmds.c b/trace/trace-hmp-cmds.c index 86211fce27..d38dd600de 100644 --- a/trace/trace-hmp-cmds.c +++ b/trace/trace-hmp-cmds.c @@ -40,7 +40,7 @@ void hmp_trace_event(Monitor *mon, const QDict *qdict) Error *local_err = NULL; qmp_trace_event_set_state(tp_name, new_state, - true, true, false, 0, &local_err); + true, true, &local_err); if (local_err) { error_report_err(local_err); } @@ -82,7 +82,7 @@ void hmp_info_trace_events(Monitor *mon, const QDict *qdict) name = "*"; } - events = qmp_trace_event_get_state(name, false, 0, &local_err); + events = qmp_trace_event_get_state(name, &local_err); if (local_err) { error_report_err(local_err); return; -- 2.41.0

On Thu, May 30, 2024 at 09:15:46AM +0200, Philippe Mathieu-Daudé wrote:
Remove MEM_UNPLUG_ERROR and 'vcpu' field in TRACE events, all deprecated since long enough.
Philippe Mathieu-Daudé (2): hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event trace: Remove deprecated 'vcpu' field from QMP trace events
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
docs/about/deprecated.rst | 16 ---------------- docs/about/removed-features.rst | 15 +++++++++++++++ qapi/machine.json | 28 ---------------------------- qapi/trace.json | 27 +++------------------------ hw/acpi/memory_hotplug.c | 8 -------- hw/ppc/spapr.c | 11 +---------- trace/qmp.c | 2 -- trace/trace-hmp-cmds.c | 4 ++-- 8 files changed, 21 insertions(+), 90 deletions(-)
-- 2.41.0

On 30/5/24 09:15, Philippe Mathieu-Daudé wrote:
Remove MEM_UNPLUG_ERROR and 'vcpu' field in TRACE events, all deprecated since long enough.
Philippe Mathieu-Daudé (2): hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event trace: Remove deprecated 'vcpu' field from QMP trace events
Thanks, series queued.
participants (4)
-
Harsh Prateek Bora
-
Markus Armbruster
-
Michael S. Tsirkin
-
Philippe Mathieu-Daudé