Re: [RFC] Introduce __ARCH_WANT_SYS_SYSFS

From: Kyle McMartin
Date: Tue Apr 22 2008 - 11:39:11 EST


On Tue, Apr 22, 2008 at 04:34:03PM +0100, Will Newton wrote:
> On Tue, Apr 22, 2008 at 4:24 PM, Kyle McMartin <kyle@xxxxxxxxxxx> wrote:
> > On Tue, Apr 22, 2008 at 04:16:17PM +0100, Will Newton wrote:
> > > It can be done with Kconfig. Whether it should be or not depends on
> > > your point of view, hence RFC. Currently __ARCH_WANT macros is the way
> > > syscalls are enabled and disabled across architectures. If there's
> > > consensus that it should be done via Kconfig that could certainly be
> > > implmented, but that's a different patch.
> > >
> >
> > It's currently done in unistd.h for hysterical raisins. All new
> > conditional syscalls have been done in Kconfig.
>
> Do you have a syscall in mind that does this in the correct way?
>

epoll is the most immediate example at hand, since it touches
fs/compat.c similarly to how you would be touching fs/filesystem.c, and
touches kernel/sys_ni.c and init/Kconfig in much the same way.

> BTW, don't blame the blackfin guys for this, I'm thinking about future
> architectures that may be added rather than any existing ones. ;-)
>

Meh. :)

cheers, Kyle
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