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由 Logan Gunthorpe 提交于
Instead of returning immediately with an error when the link is down, wait for the link to come up (or the user sends a SIGINT). This is to make scripting ntb_perf easier. Signed-off-by: NLogan Gunthorpe <logang@deltatee.com> Acked-by: NDave Jiang <dave.jiang@intel.com> Signed-off-by: NJon Mason <jdmason@kudzu.us>
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