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Holding the tx lock while waiting for tx-drain events from the remote side blocks try_send requests from failing quickly, so temporarily drop the tx lock while waiting. While this allows try_send to fail quickly it also could allow a subsequent send to succeed putting a smaller packet in the FIFO while we're waiting for room for our large packet. But as this lock is per channel we expect that clients with ordering concerns implements their own ordering mechanism. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.