Re: [PATCH 3/3] powerpc: Fix pre-update addressing in inline assembly

2020-10-20 Thread Segher Boessenkool
On Tue, Oct 20, 2020 at 09:44:33AM +0200, Christophe Leroy wrote: > Le 19/10/2020 à 22:24, Segher Boessenkool a écrit : > >>but the associated "<>" constraint is missing. > > > >But that is just fine. Pointless, sure, but not a bug. > > Most of those are from prehistoric code. So at some point in

Re: [PATCH 3/3] powerpc: Fix pre-update addressing in inline assembly

2020-10-20 Thread Christophe Leroy
Le 19/10/2020 à 22:24, Segher Boessenkool a écrit : On Mon, Oct 19, 2020 at 12:12:48PM +, Christophe Leroy wrote: In several places, inline assembly uses the "%Un" modifier to enable the use of instruction with pre-update addressing, Calling this "pre-update" is misleading: the register

Re: [PATCH 3/3] powerpc: Fix pre-update addressing in inline assembly

2020-10-19 Thread Segher Boessenkool
On Mon, Oct 19, 2020 at 12:12:48PM +, Christophe Leroy wrote: > In several places, inline assembly uses the "%Un" modifier > to enable the use of instruction with pre-update addressing, Calling this "pre-update" is misleading: the register is not updated before the address is generated (or the

Re: [PATCH 3/3] powerpc: Fix pre-update addressing in inline assembly

2020-10-19 Thread Christophe Leroy
Le 19/10/2020 à 17:35, kernel test robot a écrit : Hi Christophe, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on linus/master next-20201016] [cannot apply to kvm-ppc/kvm-ppc-next mpe/next v5.9] [If your patch is applied to the w

Re: [PATCH 3/3] powerpc: Fix pre-update addressing in inline assembly

2020-10-19 Thread kernel test robot
Hi Christophe, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on linus/master next-20201016] [cannot apply to kvm-ppc/kvm-ppc-next mpe/next v5.9] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submittin