Re: Generic compat_sys_rt_sigqueueinfo

[Andrew Morton <akpm@osdl.org>]

On Mon, 30 Oct 2006 10:59:10 -0500
Kyle McMartin <kyle@parisc-linux.org> wrote:

> Every 32-on-64 arch (except parisc) was implementing effectively the
> same sys32_rt_sigqueueinfo. Add a generic implementation taken from
> x86_64 and add it to kernel/compat.c, which required the addition of
> copy_siginfo_from_user32 on mips and powerpc. sparc64 had a sufficient
> implementation for this purpose, so crib it for both those platforms.
> 
> This yields a nice clean up and is one step towards cleaning up some
> of the compat signals mess parisc has been carrying out of tree for a few
> years.
> 
> Incorporated Arnd's suggestion of not bothering to call sys_rt_sigqueueinfo
> and just doing the full syscall in compat_sys_rt_sigqueueinfo.
> 
> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
> --
> [N.B. the modification to powerpc is probably wrong, since it seems
>  to require a wrapper for handling the signed ints like sparc64 and s390
>  have. -- Kyle]

Well that's a bit sad.  Could the ppc guys please take a look?

Thanks.