[PATCH] powerpc/82xx: Convert pci_pic_lock to raw_spinlock
Thomas Gleixner
tglx at linutronix.de
Fri Feb 19 03:35:37 EST 2010
On Thu, 18 Feb 2010, Anton Vorontsov wrote:
> Interrupt controllers' hooks are executed in the atomic context, so
> they are not permitted to sleep (with RT kernels non-raw spinlocks are
> sleepable). So, pci_pic_lock has to be a real (non-sleepable) spinlock.
>
> Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
Acked-by: Thomas Gleixner <tglx at linutronix.de>
More information about the Linuxppc-dev
mailing list