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Ever since these macros were introduced in commitb56c0d8937("kthread: implement kthread_worker"), there has been precisely one user (commit4d11542070, "NVMe: Async IO queue deletion"), and that user went away in 2016 withdb3cbfff5b("NVMe: IO queue deletion re-write"). Apart from being unused, these macros are also awkward to use (which may contribute to them not being used): Having a way to statically (or on-stack) allocating the storage for the struct kthread_worker itself doesn't help much, since obviously one needs to have some code for actually _spawning_ the worker thread, which must have error checking. And these days we have the kthread_create_worker() interface which both allocates the struct kthread_worker and spawns the kthread. Link: https://lkml.kernel.org/r/20220314145343.494694-1-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Tejun Heo <tj@kernel.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Petr Mladek <pmladek@suse.com> Cc: David Hildenbrand <david@redhat.com> Cc: Yafang Shao <laoar.shao@gmail.com> Cc: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.