On 1/12/06, Nauman Tahir <nauman.tahir@xxxxxxxxx> wrote: > On 1/11/06, Anupam Kapoor <anupam.kapoor@xxxxxxxxx> wrote: > > on a single cpu system calling "local_irq_disable" should be sufficient. no ? > > > well > > void local_irq_save(unsigned long flags); > > may also be used. I would suggest Rajaram to observe the difference in > the behaviour of both calls. > local_irq_disable and local_irq_save are identical, local_irq_save actually saves the previous flags and then disable irqs whereas local_irq_disable simply disables the interrupts on the current CPU and previous flags are lost (CMIIW) -- Fawad Lateef -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
