On Fri, Sep 21, 2001 at 06:17:57PM +0530, Nirranjan.K wrote: > So is TIMER_BH not called after every timer tick and called only after > return of system call? kernel 2.2 TIMER_BH will be called after every tick arch/i386/kernel/irq.c kernel 2.4 softirq will be called after every tick. arch/i386/kernel/irq.c I don't know how bottom halves are implemented over softirq. Sds, -- Flávio Bruno Leitner http://fly.to/fbl Conectiva Linux http://www.conectiva.com.br/ - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/