On Fri, 2014-12-05 at 10:27 +0000, David Laight wrote: > From: Michael Ellerman > > diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S > > index 0905c8da90f1..d8828e50dbef 100644 > > --- a/arch/powerpc/kernel/entry_64.S > > +++ b/arch/powerpc/kernel/entry_64.S > > @@ -178,7 +178,7 @@ system_call: /* label this so stack > > traces look sane */ > > mtctr r12 > > bctrl /* Call handler */ > > Why not add a 'nop' here instead?
Because we'd rather not add extra instructions to the syscall path unless we really need to. A local label seems like the preferable solution to me. cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
