> +int cpu_has_pvr(void) > +{ > + unsigned flags; > + unsigned pvr0; > + int ret = 0; > + > + local_irq_save(flags); > + ... > +out: > + local_irq_restore(flags); > + return ret; > +} The actual IRQ clear/restore is not required - can you just use local_save_flags() or similar to read the MSR? -- 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