> spin_lock_irqsave/spin_unlock_irqrestore allows you to save the current > irq state, disable, then restore to original state. this is required > when you _don't know_ if the irq was originally enabled. does spin_lock_irqsave avoid to disable interrupts if these are allready disabled?... or call cli() anyway? ------------------------------------------------------------------------------------------------------------------------------------------------------------- PGP PKEY http://pgp.mit.edu:11371/pks/lookup?search=belch76@libero.it&op=index ICQ# 104896040 Netphone/Fax 178.605.7063 Homepage http://web.tiscali.it/bellucda ------------------------------------------------------------------------------------------------------------------------------------------------------------- Daniele Bellucci -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
