2015年12月3日

ULK --- Chap 4: Tasklets (Note)

摘要： Tasklets are the preferred way to implement deferrable functions in I/O drivers. As already explained,tasklets are built on top of two softirqs named ... 阅读全文

posted @ 2015-12-03 07:34 Persistence 阅读(155) 评论(0) 推荐(0)

ULK --- Chap 4: ksoftirqd kernel threads (Note)

摘要： In recent kernel versions, each CPU has its own ksoftirqd/n kernel thread (where n is thelogical number of CPU). Each ksoftirqd/n kernel thread runs t... 阅读全文

posted @ 2015-12-03 01:46 Persistence 阅读(253) 评论(0) 推荐(0)

ULK --- Chap 4: Softirqs and Tasklets (Note)

摘要： We mentioned earlier in the section "Interrupt Handling" that several tasks among those executedby the kernel are not critical: they can be deferred f... 阅读全文

posted @ 2015-12-03 01:16 Persistence 阅读(205) 评论(0) 推荐(0)

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