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A counter was used to find out if the stop endpoint completion raced with the stop endpoint timeout timer. This was needed in case the stop ep completion failed to delete the timer as it was running on anoter cpu. The EP_STOP_CMD_PENDING flag was not enough as a new stop endpoint command may be queued between the command completion and timeout function, which would set the flag back. Instead of the separate counter that was used we can detect the race by checking both the STOP_EP_PENDING flag and timer_pending in the timeout function. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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.