On Thu, Nov 26, 2020 at 03:32:37PM +0100, Rafael J. Wysocki wrote: > On Wed, Nov 25, 2020 at 8:59 PM Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote: > > > > acpi_pic_sci_set_trigger() contains the following code: > > > > /* Real old ELCR mask */ > > old = inb(0x4d0) | (inb(0x4d1) << 8); > > > > Operand evalution order is not guaranteed for binary or. > > I wonder if this is a bug? > > Does the ordering matter in practice? I have no idea, this is why I'm asking. :-)
