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authorPeter Lieven2014-10-27 10:18:43 +0100
committerStefan Hajnoczi2014-11-03 10:48:41 +0100
commitac3a8726644d4783eacf54212d23db01d1d30044 (patch)
tree765e54ea8d8dd2358dccf344835843250f730307 /include/block
parenttcg/mips: fix store softmmu slow path (diff)
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util: introduce MIN_NON_ZERO
at least in block layer we have the case of limits being defined for a BlockDriverState. However, in this context often zero (0) has the special meanining of undefined which means no limit. If two of those limits are combined and the minimum is needed the minimum function should only return zero if both parameters are zero. Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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