From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Tian Kevin <kevin.tian@intel.com>,
qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>
Subject: Re: [PATCH RFC 2/4] migration: Introduce migrate_is_precopy()
Date: Wed, 6 May 2020 11:05:49 +0100 [thread overview]
Message-ID: <20200506100549.GF2743@work-vm> (raw)
In-Reply-To: <20200428194219.10963-3-peterx@redhat.com>
* Peter Xu (peterx@redhat.com) wrote:
> Export a helper globally to check whether we're during a precopy.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Can you change this to 'migration_in_precopy' to match the existing
'migration_in_postcopy'.
Dave
> ---
> include/migration/misc.h | 1 +
> migration/migration.c | 7 +++++++
> 2 files changed, 8 insertions(+)
>
> diff --git a/include/migration/misc.h b/include/migration/misc.h
> index e338be8c30..b4f6bf7842 100644
> --- a/include/migration/misc.h
> +++ b/include/migration/misc.h
> @@ -61,6 +61,7 @@ void migration_shutdown(void);
> void qemu_start_incoming_migration(const char *uri, Error **errp);
> bool migration_is_idle(void);
> bool migration_is_active(MigrationState *);
> +bool migration_is_precopy(void);
> void add_migration_state_change_notifier(Notifier *notify);
> void remove_migration_state_change_notifier(Notifier *notify);
> bool migration_in_setup(MigrationState *);
> diff --git a/migration/migration.c b/migration/migration.c
> index 187ac0410c..0082880279 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -1795,6 +1795,13 @@ bool migration_is_active(MigrationState *s)
> s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE);
> }
>
> +bool migration_is_precopy(void)
> +{
> + MigrationState *s = migrate_get_current();
> +
> + return s && s->state == MIGRATION_STATUS_ACTIVE;
> +}
> +
> void migrate_init(MigrationState *s)
> {
> /*
> --
> 2.24.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2020-05-06 10:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-28 19:42 [PATCH RFC 0/4] vl: Sync dirty bitmap when system resets Peter Xu
2020-04-28 19:42 ` [PATCH RFC 1/4] migration: Export migration_bitmap_sync_precopy() Peter Xu
2020-05-06 9:58 ` Dr. David Alan Gilbert
2020-04-28 19:42 ` [PATCH RFC 2/4] migration: Introduce migrate_is_precopy() Peter Xu
2020-05-06 10:05 ` Dr. David Alan Gilbert [this message]
2020-05-06 14:52 ` Peter Xu
2020-04-28 19:42 ` [PATCH RFC 3/4] vl: Sync dirty bits for system resets during precopy Peter Xu
2020-05-06 10:53 ` Dr. David Alan Gilbert
2020-05-06 15:38 ` Peter Xu
2020-04-28 19:42 ` [PATCH RFC 4/4] kvm: No need to sync dirty bitmap before memslot removal any more Peter Xu
2020-04-29 13:26 ` [PATCH RFC 0/4] vl: Sync dirty bitmap when system resets Dr. David Alan Gilbert
2020-04-29 14:32 ` Peter Xu
2020-05-02 21:04 ` Peter Xu
2020-05-23 22:49 ` Peter Xu
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