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由 Wei Liu 提交于
In commit ac0487e1 ("xenfb.c: avoid expensive loops when prod <= out_cons"), ">=" was used. In fact, a full ring is a legit state. Correct the test to use ">". Reported-by: N"Hao, Xudong" <xudong.hao@intel.com> Signed-off-by: NWei Liu <wei.liu2@citrix.com> Tested-by: N"Hao, Xudong" <xudong.hao@intel.com> Acked-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NStefano Stabellini <sstabellini@kernel.org>
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