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Re: [PATCH 6/9] migration: Replaced qemu_mutex_lock calls with QEMU_LOCK
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [PATCH 6/9] migration: Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARD |
Date: |
Mon, 15 Mar 2021 18:01:27 +0000 |
User-agent: |
Mutt/2.0.5 (2021-01-21) |
* Dr. David Alan Gilbert (dgilbert@redhat.com) wrote:
> * Mahmoud Mandour (ma.mandourr@gmail.com) wrote:
> > Replaced various qemu_mutex_lock calls and their respective
> > qemu_mutex_unlock calls with QEMU_LOCK_GUARD macro. This simplifies
> > the code by eliminating the respective qemu_mutex_unlock calls.
> >
> > Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
I've queued 5 and 6 via my queue.
Dave
> > ---
> > migration/migration.c | 6 ++----
> > migration/ram.c | 6 ++----
> > 2 files changed, 4 insertions(+), 8 deletions(-)
> >
> > diff --git a/migration/migration.c b/migration/migration.c
> > index a5ddf43559..36768391b6 100644
> > --- a/migration/migration.c
> > +++ b/migration/migration.c
> > @@ -323,7 +323,7 @@ static int
> > migrate_send_rp_message(MigrationIncomingState *mis,
> > int ret = 0;
> >
> > trace_migrate_send_rp_message((int)message_type, len);
> > - qemu_mutex_lock(&mis->rp_mutex);
> > + QEMU_LOCK_GUARD(&mis->rp_mutex);
> >
> > /*
> > * It's possible that the file handle got lost due to network
> > @@ -331,7 +331,7 @@ static int
> > migrate_send_rp_message(MigrationIncomingState *mis,
> > */
> > if (!mis->to_src_file) {
> > ret = -EIO;
> > - goto error;
> > + return ret;
> > }
> >
> > qemu_put_be16(mis->to_src_file, (unsigned int)message_type);
> > @@ -342,8 +342,6 @@ static int
> > migrate_send_rp_message(MigrationIncomingState *mis,
> > /* It's possible that qemu file got error during sending */
> > ret = qemu_file_get_error(mis->to_src_file);
> >
> > -error:
> > - qemu_mutex_unlock(&mis->rp_mutex);
> > return ret;
> > }
> >
> > diff --git a/migration/ram.c b/migration/ram.c
> > index 72143da0ac..52537f14ac 100644
> > --- a/migration/ram.c
> > +++ b/migration/ram.c
> > @@ -819,7 +819,7 @@ static inline bool
> > migration_bitmap_clear_dirty(RAMState *rs,
> > {
> > bool ret;
> >
> > - qemu_mutex_lock(&rs->bitmap_mutex);
> > + QEMU_LOCK_GUARD(&rs->bitmap_mutex);
> >
> > /*
> > * Clear dirty bitmap if needed. This _must_ be called before we
> > @@ -852,7 +852,6 @@ static inline bool
> > migration_bitmap_clear_dirty(RAMState *rs,
> > if (ret) {
> > rs->migration_dirty_pages--;
> > }
> > - qemu_mutex_unlock(&rs->bitmap_mutex);
> >
> > return ret;
> > }
> > @@ -3275,7 +3274,7 @@ static void
> > decompress_data_with_multi_threads(QEMUFile *f,
> > int idx, thread_count;
> >
> > thread_count = migrate_decompress_threads();
> > - qemu_mutex_lock(&decomp_done_lock);
> > + QEMU_LOCK_GUARD(&decomp_done_lock);
> > while (true) {
> > for (idx = 0; idx < thread_count; idx++) {
> > if (decomp_param[idx].done) {
> > @@ -3295,7 +3294,6 @@ static void
> > decompress_data_with_multi_threads(QEMUFile *f,
> > qemu_cond_wait(&decomp_done_cond, &decomp_done_lock);
> > }
> > }
> > - qemu_mutex_unlock(&decomp_done_lock);
> > }
> >
> > /*
> > --
> > 2.25.1
> >
> --
> Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
>
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, (continued)
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Greg Kurz, 2021/03/11
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Christian Schoenebeck, 2021/03/11
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Greg Kurz, 2021/03/11
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Christian Schoenebeck, 2021/03/11
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Mahmoud Mandour, 2021/03/13
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Greg Kurz, 2021/03/13
- Re: [PATCH 8/9] hw/9pfs/9p-synth: Replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Christian Schoenebeck, 2021/03/15
[PATCH 9/9] hw/hyperv/vmbus: replaced qemu_mutex_lock with QEMU_LOCK_GUARD, Mahmoud Mandour, 2021/03/11
[PATCH 6/9] migration: Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARD, Mahmoud Mandour, 2021/03/11