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The CQ event is handled in tasklet context, and it could be delayed if the system loading is high. It is possible to run into some problems when executing a host reset when cq_tasklet_vx_hw() is being executed. So, prior to host reset, execute tasklet_kill() to ensure that all CQ tasklets are complete. Besides, as the function hisi_sas_wait_tasklets_done() is added to do tasklet_kill(), this patch refactors some code where tasklet_kill() is used. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.