On Thu, Jun 06, 2013 at 10:03:39AM +0100, Ian Campbell wrote: > On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: > > + * the second in r1/x1, the third in r2/x2 and the fourth in r3/x3. > > + * Considering that Xen hypercalls have 5 arguments at most, the fifth > > + * paramter is always passed in r4/x4, differently from the ARM > > + * procedure calling convention of using the stack for that case. > > and "parameter" again. > > Strictly speaking the fifth argument handling only differs from the > 32-bit PCS, not the 64-bit one. Splitting hairs a bit there.
I agree, just add "the fifth in x4" without "differently from ...", it's not relevant. You can also remove references to r? registers, they are only called x?. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/