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[Qemu-devel] [PULL 11/14] migration: Add VMSTATE_UNUSED_VARRAY_UINT32
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PULL 11/14] migration: Add VMSTATE_UNUSED_VARRAY_UINT32 |
Date: |
Mon, 13 Feb 2017 17:50:30 +0000 |
From: "Dr. David Alan Gilbert" <address@hidden>
VMSTATE_UNUSED_VARRAY_UINT32 is used to skip a chunk of the stream
that's an n-element array; note the array size and the dynamic value
read never get multiplied so there's no overflow risk.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
include/migration/vmstate.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 39db47e..7339594 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -658,6 +658,17 @@ extern const VMStateInfo vmstate_info_qtailq;
.flags = VMS_BUFFER, \
}
+/* Discard size * field_num bytes, where field_num is a uint32 member */
+#define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num,
_size) {\
+ .name = "unused", \
+ .field_exists = (_test), \
+ .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
+ .version_id = (_version), \
+ .size = (_size), \
+ .info = &vmstate_info_unused_buffer, \
+ .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \
+}
+
/* _field_size should be a int32_t field in the _state struct giving the
* size of the bitmap _field in bits.
*/
--
2.9.3
- [Qemu-devel] [PULL 01/14] migration: remove myself as maintainer, (continued)
- [Qemu-devel] [PULL 01/14] migration: remove myself as maintainer, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 03/14] migration: add MigrationState arg for ram_save_/compressed_/page(), Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 05/14] migration: discard non-dirty ram pages after the start of postcopy, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 07/14] migration: consolidate VMStateField.start, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 06/14] migrate: Introduce zero RAM checks to skip RAM migration, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 04/14] add 'release-ram' migrate capability, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 08/14] COLO: fix setting checkpoint-delay not working properly, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 09/14] COLO: Shutdown related socket fd while do failover, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 12/14] migration: Add VMSTATE_WITH_TMP, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 10/14] COLO: Don't process failover request while loading VM's state, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 11/14] migration: Add VMSTATE_UNUSED_VARRAY_UINT32,
Dr. David Alan Gilbert (git) <=
- [Qemu-devel] [PULL 13/14] tests/migration: Add test for VMSTATE_WITH_TMP, Dr. David Alan Gilbert (git), 2017/02/13
- [Qemu-devel] [PULL 14/14] virtio/migration: Migrate virtio-net to VMState, Dr. David Alan Gilbert (git), 2017/02/13
- Re: [Qemu-devel] [PULL 00/14] migration queue, Peter Maydell, 2017/02/14