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Re: [Qemu-devel] [PATCH v2 2/3] migration: loadvm handlers are not used
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH v2 2/3] migration: loadvm handlers are not used |
Date: |
Tue, 30 May 2017 11:36:07 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 30/05/2017 10:37, Juan Quintela wrote:
> So we remove all traces of them.
>
> Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
> ---
> include/migration/migration.h | 5 -----
> include/migration/vmstate.h | 2 --
> include/qemu/typedefs.h | 1 -
> migration/migration.c | 2 --
> migration/savevm.c | 26 --------------------------
> 5 files changed, 36 deletions(-)
>
> diff --git a/include/migration/migration.h b/include/migration/migration.h
> index 0e807b6..d1a353a 100644
> --- a/include/migration/migration.h
> +++ b/include/migration/migration.h
> @@ -50,8 +50,6 @@ enum mig_rp_message_type {
> MIG_RP_MSG_MAX
> };
>
> -typedef QLIST_HEAD(, LoadStateEntry) LoadStateEntry_Head;
> -
> /* State for the incoming migration */
> struct MigrationIncomingState {
> QEMUFile *from_src_file;
> @@ -89,9 +87,6 @@ struct MigrationIncomingState {
> /* The coroutine we should enter (back) after failover */
> Coroutine *migration_incoming_co;
> QemuSemaphore colo_incoming_sem;
> -
> - /* See savevm.c */
> - LoadStateEntry_Head loadvm_handlers;
> };
>
> MigrationIncomingState *migration_incoming_get_current(void);
> diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
> index f97411d..6689562 100644
> --- a/include/migration/vmstate.h
> +++ b/include/migration/vmstate.h
> @@ -1020,8 +1020,6 @@ extern const VMStateInfo vmstate_info_qtailq;
>
> #define SELF_ANNOUNCE_ROUNDS 5
>
> -void loadvm_free_handlers(MigrationIncomingState *mis);
> -
> int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
> void *opaque, int version_id);
> void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
> diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
> index 33a6aa1..51958bf 100644
> --- a/include/qemu/typedefs.h
> +++ b/include/qemu/typedefs.h
> @@ -39,7 +39,6 @@ typedef struct I2SCodec I2SCodec;
> typedef struct ISABus ISABus;
> typedef struct ISADevice ISADevice;
> typedef struct IsaDma IsaDma;
> -typedef struct LoadStateEntry LoadStateEntry;
> typedef struct MACAddr MACAddr;
> typedef struct MachineClass MachineClass;
> typedef struct MachineState MachineState;
> diff --git a/migration/migration.c b/migration/migration.c
> index ad29e53..891a260 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -121,7 +121,6 @@ MigrationIncomingState
> *migration_incoming_get_current(void)
> if (!once) {
> mis_current.state = MIGRATION_STATUS_NONE;
> memset(&mis_current, 0, sizeof(MigrationIncomingState));
> - QLIST_INIT(&mis_current.loadvm_handlers);
> qemu_mutex_init(&mis_current.rp_mutex);
> qemu_event_init(&mis_current.main_thread_load_event, false);
> once = true;
> @@ -134,7 +133,6 @@ void migration_incoming_state_destroy(void)
> struct MigrationIncomingState *mis = migration_incoming_get_current();
>
> qemu_event_destroy(&mis->main_thread_load_event);
> - loadvm_free_handlers(mis);
> }
>
>
> diff --git a/migration/savevm.c b/migration/savevm.c
> index d7c08c3..14af5ad 100644
> --- a/migration/savevm.c
> +++ b/migration/savevm.c
> @@ -1781,13 +1781,6 @@ static int loadvm_process_command(QEMUFile *f)
> return 0;
> }
>
> -struct LoadStateEntry {
> - QLIST_ENTRY(LoadStateEntry) entry;
> - SaveStateEntry *se;
> - int section_id;
> - int version_id;
> -};
> -
> /*
> * Read a footer off the wire and check that it matches the expected section
> *
> @@ -1823,22 +1816,11 @@ static bool check_section_footer(QEMUFile *f,
> SaveStateEntry *se)
> return true;
> }
>
> -void loadvm_free_handlers(MigrationIncomingState *mis)
> -{
> - LoadStateEntry *le, *new_le;
> -
> - QLIST_FOREACH_SAFE(le, &mis->loadvm_handlers, entry, new_le) {
> - QLIST_REMOVE(le, entry);
> - g_free(le);
> - }
> -}
> -
> static int
> qemu_loadvm_section_start_full(QEMUFile *f, MigrationIncomingState *mis)
> {
> uint32_t instance_id, version_id, section_id;
> SaveStateEntry *se;
> - LoadStateEntry *le;
> char idstr[256];
> int ret;
>
> @@ -1876,14 +1858,6 @@ qemu_loadvm_section_start_full(QEMUFile *f,
> MigrationIncomingState *mis)
> return -EINVAL;
> }
>
> - /* Add entry */
> - le = g_malloc0(sizeof(*le));
> -
> - le->se = se;
> - le->section_id = section_id;
> - le->version_id = version_id;
> - QLIST_INSERT_HEAD(&mis->loadvm_handlers, le, entry);
> -
> ret = vmstate_load(f, se, se->load_version_id);
> if (ret < 0) {
> error_report("error while loading state for instance 0x%x of"
>