These patches were posted in the past (v2?) and at which point Jan
Beulich suggested to use a different macro. Unfortunatly after a
more exhaustive testing it was found that said macro is not
appropiate and would needlessly hang up the connection.
Hence re-introducing the new macro which will allow to detect
the producer and consumer indexes being greater than the ring size:
[v5 1/2] xen/ring: Add a new macro to detect whether there is an
And the patch which will now use it:
[v5 2/2] xen/blkback: Check for insane amounts of request on the ring
drivers/block/xen-blkback/blkback.c | 12 +++++++++++-
drivers/block/xen-blkback/common.h | 2 ++
drivers/block/xen-blkback/xenbus.c | 2 ++
include/xen/interface/io/ring.h | 6 ++++++
4 files changed, 21 insertions(+), 1 deletion(-)
Konrad Rzeszutek Wilk (2):
xen/ring: Add a new macro to detect whether there is an overflow in
requests and response.
xen/blkback: Check for insane amounts of request on the ring (v5).
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