Re: [Xen-devel] [v3,11/41] mips: reuse asm-generic/barrier.h

2016-01-29 Thread Maciej W. Rozycki
On Thu, 28 Jan 2016, Leonid Yegoshin wrote: > In http://patchwork.linux-mips.org/patch/10505/ the very last mesg exchange > is: [...] > ... and that stops forever... Thanks for the reminder -- last June was very hectic, I travelled a lot and I lost the discussion from my radar. Apologies for

Re: [Xen-devel] [v3,11/41] mips: reuse asm-generic/barrier.h

2016-01-27 Thread Maciej W. Rozycki
On Fri, 15 Jan 2016, Leonid Yegoshin wrote: > > So you need to build a different kernel for some types of MIPS systems? > > Or do you do boot-time rewriting, like a number of other arches do? > > I don't know. I would like to have responses. Ralf asked Maciej about old > systems and that came

Re: [Xen-devel] [v3,11/41] mips: reuse asm-generic/barrier.h

2016-01-27 Thread Maciej W. Rozycki
On Wed, 27 Jan 2016, Ralf Baechle wrote: > > So you need to build a different kernel for some types of MIPS systems? > > Yes. We can't really do without. Classic MIPS code is not relocatable > without the complexity of PIC code as used by ELF DSOs - and their > performanc penalty. Plus we