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Hayes Wang says: ==================== r8152: fix scheduling napi v3: simply the argument for patch #3. Replace &tp->napi with napi. v2: Add smp_mb__after_atomic() for patch #1. v1: Scheduling the napi during the following periods would let it be ignored. And the events wouldn't be handled until next napi_schedule() is called. 1. after napi_disable and before napi_enable(). 2. after all actions of napi function is completed and before calling napi_complete(). If no next napi_schedule() is called, tx or rx would stop working. In order to avoid these situations, the followings solutions are applied. 1. prevent start_xmit() from calling napi_schedule() during runtime suspend or after napi_disable(). 2. re-schedule the napi for tx if it is necessary. 3. check if any rx is finished or not after napi_enable(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.