Re: [PATCH v9 05/12] migration/dirtyrate: move RAMBLOCK_FOREACH_MIGRATABLE into ram.h

[Li Qiang]

Chuan Zheng <zhengchuan@huawei.com> 于2020年9月15日周二 上午10:34写道：
>
> RAMBLOCK_FOREACH_MIGRATABLE is need in dirtyrate measure,
> move the existing definition up into migration/ram.h
>
> Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Reviewed-by: David Edmondson <david.edmondson@oracle.com>

Reviewed-by: Li Qiang <liq3ea@gmail.com>

> ---
>  migration/dirtyrate.c |  1 +
>  migration/ram.c       | 11 +----------
>  migration/ram.h       | 10 ++++++++++
>  3 files changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c
> index ab372ba..7366bf3 100644
> --- a/migration/dirtyrate.c
> +++ b/migration/dirtyrate.c
> @@ -20,6 +20,7 @@
>  #include "qemu/rcu_queue.h"
>  #include "qapi/qapi-commands-migration.h"
>  #include "migration.h"
> +#include "ram.h"
>  #include "dirtyrate.h"
>
>  static int CalculatingState = DIRTY_RATE_STATUS_UNSTARTED;
> diff --git a/migration/ram.c b/migration/ram.c
> index 76d4fee..37ef0da 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -158,21 +158,12 @@ out:
>      return ret;
>  }
>
> -static bool ramblock_is_ignored(RAMBlock *block)
> +bool ramblock_is_ignored(RAMBlock *block)
>  {
>      return !qemu_ram_is_migratable(block) ||
>             (migrate_ignore_shared() && qemu_ram_is_shared(block));
>  }
>
> -/* Should be holding either ram_list.mutex, or the RCU lock. */
> -#define RAMBLOCK_FOREACH_NOT_IGNORED(block)            \
> -    INTERNAL_RAMBLOCK_FOREACH(block)                   \
> -        if (ramblock_is_ignored(block)) {} else
> -
> -#define RAMBLOCK_FOREACH_MIGRATABLE(block)             \
> -    INTERNAL_RAMBLOCK_FOREACH(block)                   \
> -        if (!qemu_ram_is_migratable(block)) {} else
> -
>  #undef RAMBLOCK_FOREACH
>
>  int foreach_not_ignored_block(RAMBlockIterFunc func, void *opaque)
> diff --git a/migration/ram.h b/migration/ram.h
> index 2eeaacf..011e854 100644
> --- a/migration/ram.h
> +++ b/migration/ram.h
> @@ -37,6 +37,16 @@ extern MigrationStats ram_counters;
>  extern XBZRLECacheStats xbzrle_counters;
>  extern CompressionStats compression_counters;
>
> +bool ramblock_is_ignored(RAMBlock *block);
> +/* Should be holding either ram_list.mutex, or the RCU lock. */
> +#define RAMBLOCK_FOREACH_NOT_IGNORED(block)            \
> +    INTERNAL_RAMBLOCK_FOREACH(block)                   \
> +        if (ramblock_is_ignored(block)) {} else
> +
> +#define RAMBLOCK_FOREACH_MIGRATABLE(block)             \
> +    INTERNAL_RAMBLOCK_FOREACH(block)                   \
> +        if (!qemu_ram_is_migratable(block)) {} else
> +
>  int xbzrle_cache_resize(int64_t new_size, Error **errp);
>  uint64_t ram_bytes_remaining(void);
>  uint64_t ram_bytes_total(void);
> --
> 1.8.3.1
>