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Eric indicates that restarting rcvtimeo on every wait may be fine. I thought that we should consider it cumulative, and made tls_rx_reader_lock() return the remaining timeo after acquiring the reader lock. tls_rx_rec_wait() gets its timeout passed in by value so it does not keep track of time previously spent. Make the lock waiting consistent with tls_rx_rec_wait() - don't keep track of time spent. Read the timeo fresh in tls_rx_rec_wait(). It's unclear to me why callers are supposed to cache the value. Link: https://lore.kernel.org/all/CANn89iKcmSfWgvZjzNGbsrndmCch2HC_EPZ7qmGboDNaWoviNQ@mail.gmail.com/ Signed-off-by: Jakub Kicinski <kuba@kernel.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.