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migration: Remove load_state_old and minimum_version_id_old

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There are no longer any VMStateDescription structs in the tree which
use the load_state_old support for custom handling of incoming
migration from very old QEMU.  Remove the mechanism entirely.

This includes removing one stray useless setting of
minimum_version_id_old in a VMStateDescription with no load_state_old
function, which crept in after the global weeding-out of them in
commit 17e3134061.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220215175705.3846411-1-peter.maydell@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Peter Maydell 2022-02-15 17:57:05 +00:00 • committed by Dr. David Alan Gilbert
parent 3ff5740187
commit 1862198702
4 changed files with 2 additions and 17 deletions
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2
include/migration/vmstate.h
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@ -181,9 +181,7 @@ struct VMStateDescription {
int unmigratable;
int version_id;
int minimum_version_id;
int minimum_version_id_old;
MigrationPriority priority;
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque, int version_id);
int (*pre_save)(void *opaque);