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From: Peter Xu <peterx@redhat.com>
To: Fabiano Rosas <farosas@suse.de>
Cc: qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH 1/2] migration/savevm: Remove extra load cleanup calls
Date: Tue, 17 Sep 2024 15:16:57 -0400	[thread overview]
Message-ID: <ZunVqQsnReeqnorV@x1n> (raw)
In-Reply-To: <20240917185802.15619-2-farosas@suse.de>

On Tue, Sep 17, 2024 at 03:58:01PM -0300, Fabiano Rosas wrote:
> There are two qemu_loadvm_state_cleanup() calls that were introduced
> when qemu_loadvm_state_setup() was still called before loading the
> configuration section, so there was state to be cleaned up if the
> header checks failed.
> 
> However, commit 9e14b84908 ("migration/savevm: load_header before
> load_setup") has moved that configuration section part to
> qemu_loadvm_state_header() which now happens before
> qemu_loadvm_state_setup().
> 
> Remove the cleanup calls that are now misplaced.
> 
> Fixes: 9e14b84908 ("migration/savevm: load_header before load_setup")

Considering it's a cleanup, do you mind if I further remove this Fixes but
just mention it in commit message (so as to make Michael's life easier when
backport)?

> Reviewed-by: Peter Xu <peterx@redhat.com>
> Signed-off-by: Fabiano Rosas <farosas@suse.de>
> ---
>  migration/savevm.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/migration/savevm.c b/migration/savevm.c
> index d500eae979..d0759694fd 100644
> --- a/migration/savevm.c
> +++ b/migration/savevm.c
> @@ -2732,13 +2732,11 @@ static int qemu_loadvm_state_header(QEMUFile *f)
>      if (migrate_get_current()->send_configuration) {
>          if (qemu_get_byte(f) != QEMU_VM_CONFIGURATION) {
>              error_report("Configuration section missing");
> -            qemu_loadvm_state_cleanup();
>              return -EINVAL;
>          }
>          ret = vmstate_load_state(f, &vmstate_configuration, &savevm_state, 0);
>  
>          if (ret) {
> -            qemu_loadvm_state_cleanup();
>              return ret;
>          }
>      }
> -- 
> 2.35.3
> 

-- 
Peter Xu



  reply	other threads:[~2024-09-17 19:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-17 18:58 [PATCH 0/2] migration/multifd: Fix rb->receivedmap cleanup race Fabiano Rosas
2024-09-17 18:58 ` [PATCH 1/2] migration/savevm: Remove extra load cleanup calls Fabiano Rosas
2024-09-17 19:16   ` Peter Xu [this message]
2024-09-17 19:20     ` Fabiano Rosas
2024-09-17 18:58 ` [PATCH 2/2] migration/multifd: Fix rb->receivedmap cleanup race Fabiano Rosas
2024-09-17 19:20   ` Peter Xu
2024-09-17 19:29     ` Fabiano Rosas
2024-09-17 20:01 ` [PATCH 0/2] " Peter Xu
  -- strict thread matches above, loose matches on Subject: below --
2024-09-13 22:05 Fabiano Rosas
2024-09-13 22:05 ` [PATCH 1/2] migration/savevm: Remove extra load cleanup calls Fabiano Rosas
2024-09-17 16:42   ` Peter Xu
2024-09-17 17:17     ` Fabiano Rosas

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