Re: PATCH: Add x32 fallocate/posix_fadvise/posix_fallocate

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Thu, May 17, 2012 at 2:33 PM, Roland McGrath <roland@hack.frob.com> wrote:
> There seem to be a bunch of these coming up. ?Repeating a one-off hack for
> every one does not feel right.
>
> All of these are cases where every x32 kernel has the syscalls in question,
> even though some other machines' Linux kernels might not. ?So while we have
> individual .c files now for all these, they could be handled by a mechanism
> like syscalls.list for configurations where every supported kernel has the
> calls.
>
> I think that's the right thing to do. ?Soup up syscalls.list with a way to
> mark calls (or particular arguments and return value individually) as
> needing full words. ?Then you can just add a linux/x32/syscalls.list to
> cover all of them.
>

Those implementations are in C, not assembly.  How can
syscalls.list help here?  There are no problems with system
callsimplemented in assembly since everything is passed
in register.


-- 
H.J.