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The qdisc_stab_lock is used in qdisc_get_stab and qdisc_put_stab. These two functions are invoked in qdisc_create, qdisc_change, and qdisc_destroy which run fully under RTNL. So it already makes sure only one could access the qdisc_stab_list at the same time. Then it is unnecessary to use qdisc_stab_lock now. Signed-off-by: Gao Feng <fgao@ikuai8.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.