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root / include / migration @ f1c72795

Name Size
block.h 504 Bytes
migration.h 3.5 kB
page_cache.h 1.9 kB
qemu-file.h 6.1 kB
vmstate.h 32.5 kB

Latest revisions

# Date Author Comment
f1c72795 03/26/2013 02:32 pm Peter Lieven

migration: do not sent zero pages in bulk stage

during bulk stage of ram migration if a page is a
zero page do not send it at all.
the memory at the destination reads as zero anyway.

even if there is an madvise with QEMU_MADV_DONTNEED
at the target upon receipt of a zero page I have observed...
d58f5598 03/26/2013 02:30 pm David Gibson

savevm: Add VMSTATE_UINTTL_EQUAL helper

This adds an _EQUAL VMSTATE helper for target_ulongs, defined in terms of
VMSTATE_UINT32_EQUAL or VMSTATE_UINT64_EQUAL as appropriate.

Signed-off-by: David Gibson <>
Signed-off-by: Juan Quintela <>
213945e4 03/26/2013 02:30 pm David Gibson

savevm: Add VMSTATE_FLOAT64 helpers

The current savevm code includes VMSTATE helpers for a number of commonly
used data types, but not for the float64 type used by the internal floating
point emulation code. This patch fixes the deficiency.

Signed-off-by: David Gibson <>...
8474a9dd 03/26/2013 02:30 pm David Gibson

savevm: Add VMSTATE_STRUCT_VARRAY_POINTER_UINT32

Currently the savevm code contains a VMSTATE_STRUCT_VARRAY_POINTER_INT32
helper (a variably sized array with the number of elements in an int32_t),
but not VMSTATE_STRUCT_VARRAY_POINTER_UINT32 (... with the number of...
377e2cb9 03/26/2013 02:30 pm David Gibson

savevm: Fix bugs in the VMSTATE_VBUFFER_MULTIPLY definition

The VMSTATE_BUFFER_MULTIPLY macro is misnamed - it actually specifies
a variably sized buffer with VMS_VBUFFER, so should be named
VMSTATE_VBUFFER_MULTIPLY. This patch fixes this (the macro had no current...
e344b8a1 03/26/2013 02:30 pm David Gibson

savevm: Add VMSTATE_UINT64_EQUAL helpers

The savevm code already includes a number of *_EQUAL helpers which act as
sanity checks verifying that the configuration of the saved state matches
that of the machine we're loading into to work. Variants already exist...
d7650eab 03/12/2013 11:35 am Andreas Färber

vmstate: Make vmstate_register() static inline

This avoids adding a duplicate stub for CONFIG_USER_ONLY.

Suggested-by: Eduardo Habkost <>
Reviewed-by: Eduardo Habkost <>
Reviewed-by: Juan Quintela <>...
c71c3e99 03/12/2013 11:35 am Andreas Färber

stubs: Add a vmstate_dummy struct for CONFIG_USER_ONLY

Reviewed-by: Juan Quintela <>
Reviewed-by: Eduardo Habkost <>
Signed-off-by: Andreas Färber <>
b352365f 03/11/2013 02:32 pm Paolo Bonzini

migration: eliminate s->migration_file

The indirection is useless now. Backends can open s->file directly.

Reviewed-by: Orit Wasserman <>
Reviewed-by: Juan Quintela <>
Signed-off-by: Paolo Bonzini <>...
ee0b44aa 03/11/2013 02:32 pm Peter Lieven

page_cache: dup memory on insert

The page cache frees all data on finish, on resize and
if there is collision on insert. So it should be the caches
responsibility to dup the data that is stored in the cache.

Signed-off-by: Peter Lieven <>
Signed-off-by: Orit Wasserman <>...

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