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Stefano Garzarella says: ==================== vsock/test: add recv_buf()/send_buf() utility functions and some improvements We recently found that some tests were failing [1]. The problem was that we were not waiting for all the bytes correctly, so we had a partial read. I had initially suggested using MSG_WAITALL, but this could have timeout problems. Since we already had send_byte() and recv_byte() that handled the timeout, but also the expected return value, I moved that code to two new functions that we can now use to send/receive generic buffers. The last commit is just an improvement to a test I found difficult to understand while using the new functions. @Arseniy a review and some testing are really appreciated :-) [1] https://lore.kernel.org/netdev/63xflnwiohdfo6m3vnrrxgv2ulplencpwug5qqacugqh7xxpu3@tsczkuqgwurb/ ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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.