On Fri, Nov 09, 2001 at 09:21:44AM +0100, Erwin Triepels wrote: > Does anyone know whether linux interrupts (i.e. keyboard, hard-disk-IDE0, PS2/mouse, >ehternet and above all the timer interrupts) always can be interrupted by real-time >interrupts? Normally the linux timer ISR is started with the SA-INTERRUPT flag which >means NO interrupts. >
Yes. > - Has anyone experience with enabling interrupts in a real-time ISR (normally all >interrupts are disabled). I fear deadlocks with the real-time Timer-interrupts or >very long interrupt response times. Don't do it. If the ISR takes a long time, wake up a thread to do the work. It is always an error to enable interrupts during the execution of a RTL RT interrupt handlers. > > Greetings, > > Erwin Triepels > > > > -- [rtl] --- > To unsubscribe: > echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR > echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] > -- > For more information on Real-Time Linux see: > http://www.rtlinux.org/ -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/
