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由 Marc-André Lureau 提交于
Learn to take a pre-opened file-descriptor for vector IO. Instead of teaching the driver to open a FD in multiple ways, it can rely on management layer to do it on its behalf. For example, this allows inheriting a preconfigured device fd or a simple socketpair() setup, without further arguments, privileges or system access by UML. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Acked-By: NAnton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: NRichard Weinberger <richard@nod.at>
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