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s390x/migration: add comment about floating point migration 

commit 46c804def4 ("s390x: move fpu regs into a subsection
of the vmstate") moved the fprs into a subsection and bumped
the version number. This will allow to not transfer fprs in
the future if necessary. Add a comment to mark the return true
as intentional.

CC: Juan Quintela <quintela@redhat.com>
CC: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <1433758884-2997-1-git-send-email-borntraeger@de.ibm.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Christian Borntraeger 2015-06-08 12:21:24 +02:00
parent b853d4cbf2
commit 6028ef0757
1 changed files with 1 additions and 0 deletions
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target-s390x/machine.c
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@ -70,6 +70,7 @@ const VMStateDescription vmstate_fpu = {
static inline bool fpu_needed(void *opaque)
{
/* This looks odd, but we might want to NOT transfer fprs in the future */
return true;
}