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


On Thursday 03 December 2015 23:12:10 Andreas Schwab wrote:
> >  #endif
> > @@ -64,7 +68,12 @@ compat_symbol (libc, __old_msgctl, msgctl, GLIBC_2_0);
> >  int
> >  __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
> >  {
> > +#ifdef __ASSUME_MSGCTL_SYSCALL
> > +  return INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, buf);
> 
> Why does a brand new syscall need IPC_64?

This is a bug in the kernel, which we should fix there.  The same
problem currently exists on ARM and AVR32, which also support the
old IPC API (pre-__IPC64) and are adding separate syscalls now.

	Arnd


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