05 2012 档案

kernel(二) interrupts Bottom Halves
摘要：SoftirqsTasklets Tasklets have a simpler interface and relaxed locking rules than softirqs. Tasklets are represented by two softirqs:HI_SOFTIRQ and TASKLET_SOFTIRQ. 阅读全文
posted @ 2012-05-09 16:32 lxgeek 阅读(241) 评论(0) 推荐(0) 编辑
kernel(一) interrupts
摘要：the keyboard controller(the hardware device) =======================> processor=============>operating system an electrical signal signalDifferent devices can be associated with different interrupts by means of a unique value associated with each... 阅读全文
posted @ 2012-05-01 14:02 lxgeek 阅读(260) 评论(0) 推荐(0) 编辑