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ed5378a387
do/while_each_thread should be avoided when possible. Plus I _think_ this change allows to avoid lock_task_sighand() but I am not sure, I forgot everything about taskstats. In any case, this code does not look right in that the same thread can be accounted twice: taskstats_exit() can account the exiting thread in signal->stats and drop ->siglock but this thread is still on the thread-group list, so lock_task_sighand() can't help. Link: https://lkml.kernel.org/r/20230909214951.GA24274@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@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.