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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Wei Yang <richardw.yang@linux.intel.com>
Cc: qemu-devel@nongnu.org, quintela@redhat.com
Subject: Re: [PATCH 2/6] migration/postcopy: wait for decompress thread in precopy
Date: Wed, 6 Nov 2019 19:57:22 +0000	[thread overview]
Message-ID: <20191106195722.GI2802@work-vm> (raw)
In-Reply-To: <20191018004850.9888-3-richardw.yang@linux.intel.com>

* Wei Yang (richardw.yang@linux.intel.com) wrote:
> Compress is not supported with postcopy, it is safe to wait for
> decompress thread just in precopy.
> 
> This is a preparation for later patch.
> 
> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>

OK, since your last patch does this for postcopy.


Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  migration/ram.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index 7938a643d9..f59e3fe197 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -4375,6 +4375,7 @@ static int ram_load_precopy(QEMUFile *f)
>          }
>      }
>  
> +    ret |= wait_for_decompress_done();
>      return ret;
>  }
>  
> @@ -4406,8 +4407,6 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
>          } else {
>              ret = ram_load_precopy(f);
>          }
> -
> -        ret |= wait_for_decompress_done();
>      }
>      trace_ram_load_complete(ret, seq_iter);
>  
> -- 
> 2.17.1
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK



  reply	other threads:[~2019-11-06 19:59 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18  0:48 [PATCH 0/6] migration/postcopy: enable compress during postcopy Wei Yang
2019-10-18  0:48 ` [PATCH 1/6] migration/postcopy: reduce memset when it is zero page and matches_target_page_size Wei Yang
2019-11-06 18:18   ` Dr. David Alan Gilbert
2019-10-18  0:48 ` [PATCH 2/6] migration/postcopy: wait for decompress thread in precopy Wei Yang
2019-11-06 19:57   ` Dr. David Alan Gilbert [this message]
2019-10-18  0:48 ` [PATCH 3/6] migration/postcopy: count target page number to decide the place_needed Wei Yang
2019-11-06 19:59   ` Dr. David Alan Gilbert
2019-10-18  0:48 ` [PATCH 4/6] migration/postcopy: set all_zero to true on the first target page Wei Yang
2019-11-06 20:04   ` Dr. David Alan Gilbert
2019-10-18  0:48 ` [PATCH 5/6] migration/postcopy: enable random order target page arrival Wei Yang
2019-11-06 20:08   ` Dr. David Alan Gilbert
2019-11-07  6:00     ` Wei Yang
2019-11-07  9:14       ` Dr. David Alan Gilbert
2019-10-18  0:48 ` [PATCH 6/6] migration/postcopy: enable compress during postcopy Wei Yang
2019-11-06 19:55   ` Dr. David Alan Gilbert
2019-10-18 16:50 ` [PATCH 0/6] " no-reply
2019-10-19  0:15   ` Wei Yang
2019-11-06 20:11 ` Dr. David Alan Gilbert
2019-11-07  6:02   ` Wei Yang
2019-11-07  9:15     ` Dr. David Alan Gilbert
2019-11-07 12:03       ` Wei Yang
2019-11-07 12:06         ` Dr. David Alan Gilbert

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