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Re: [PATCH] powerpc: Enable demuxed sysv IPC syscalls


On Tuesday 22 December 2015, Michael Ellerman wrote:
> 
> On Wed, 2015-12-16 at 11:36 +0100, Arnd Bergmann wrote:
> 
> > On Wednesday 16 December 2015 21:26:11 Michael Ellerman wrote:
> 
> > > 
> > > I think it's also important not to #define __NR_semop etc. right? Otherwise
> > > userspace code might be doing #ifdef __NR_semop to detect whether that syscall
> > > is implemented.
> > > 
> > > So the kernel revert patch becomes:
> > > 
> > 
> > Acked-by: Arnd Bergmann <arnd@arndb.de>
> > 
> > Looks good, we just need someone to do the kernel rework now, so we can get them
> > back the right way for 4.5.
> 
> OK. The patch you posted looked pretty simple, is there more required than
> that?

Yes: we need to do the same thing for all three syscalls that are affected,
and it needs to be tested.

	Arnd


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