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69c7a5fb24
We use the same code to print backwards lock dependency path as the forwards lock dependency path, and this could result into incorrect printing because for a backwards lock_list ->trace is not the call trace where the lock of ->class is acquired. Fix this by introducing a separate function on printing the backwards dependency path. Also add a few comments about the printing while we are at it. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210618170110.3699115-2-boqun.feng@gmail.com
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.