The realtime Linux patches, covered at length (too much length, according to some) on these pages, have been aimed primarily at reducing scheduling latency: the amount of time it takes to switch ...

For most UNIX systems, Linux included, device drivers typically divide the work of processing interrupts into two parts or halves. The first part, the top half, is the familiar interrupt handler, ...

Normally, the release of 2.6.19-rc1 would be the signal that the release cycle process would begin to slow down and focus on bug fixes. Things might be just a little different this time around, ...

Defining device drivers Discussing the difference between architecture-specific and board-specific drivers Providing several examples of different types of device drivers Most embedded hardware ...