On Tue, 2010-04-06 at 16:39 -0700, David Miller wrote: > It disables up to PIL_NMI instead of just PIL_NORMAL_MAX. > > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> > > diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h > index 8b49bf9..fa1e00e 100644 > --- a/arch/sparc/include/asm/irqflags_64.h > +++ b/arch/sparc/include/asm/irqflags_64.h > @@ -49,6 +49,16 @@ static inline void raw_local_irq_disable(void) > ); > } > > +static inline void raw_local_irq_disable_nmi(void) > +{ > + __asm__ __volatile__( > + "wrpr %0, %%pil" > + : /* no outputs */ > + : "i" (PIL_NMI) > + : "memory" > + ); > +} > + Isn't this wrong when used from !NMI context? Should this thing do something like: if (rdpr() < PIL_NORMAL_MAX) wrpr(PIL_NORMAL_MAX); so that it only disables IRQs, but doesn't enable NMIs. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html