Which is the best one to use sleep or delay ( for a delay in the process ) .As i understand use of sleep, allows the kernel to schedule the process.

And if a sleep of microseconds is used, and the kernel schedules at this time, will it takes care to reschedule the interrupted process, back in the requested amount of sleep the process had asked for ( as the other process which the kernel witched to may take long time to give back...

Hi
I am using linux 2.6.19, I want the CLOCK_TICK_RATE macro defined in asm-arm/arch-at91rm9200/timex.h as a variable, so that the board can work in different clock frequencies.
Is it possible to do , as many of the macros depend on the CLOCK_TICK_RATE macro.
If it is possible please tell me how to go about.

Thanks
Virupax

Why some code files in u-boot, kernel will be in assembly , cannot we have the same thing in c. as the compiler will finally convert it to assembly.