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SubjectRe: [PATCH 13/18] kernel: add kcompat_sys_{f,}statfs64()
On Tue, May 15, 2018 at 10:53:51AM +0100, Mark Rutland wrote:
> On Mon, May 14, 2018 at 10:34:14PM +0200, Dominik Brodowski wrote:
> > On Mon, May 14, 2018 at 06:14:28PM +0100, Mark Rutland wrote:
> > > On Mon, May 14, 2018 at 10:46:35AM +0100, Mark Rutland wrote:
> > > > +#ifdef CONFIG_COMPAT
> > > > +int kcompat_sys_statfs64(const char __user * pathname, compat_size_t sz,
> > > > + struct compat_statfs64 __user * buf);
> > > > +int kcompat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
> > > > + struct compat_statfs64 __user * buf);
> > > > +#endif
> > >
> > > I've moved these to <linux/compat.h>, so that they live with the rest of
> > > the compat syscall stuff. That should avoid build failures the kbuild
> > > test robot picked up where compat_size_t wasn't dfined.
> >
> > Please add a comment there, similar to what is in syscalls.h:
> >
> > /*
> > * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
> > * Instead, use one of the functions which work equivalently, such as
> > * the ksys_xyzyyz() functions prototyped below.
> > */
>
> To make the kcompat_sys_* naming scheme clearer, I've added compat references to
> the above, i.e.
>
> /*
> * Kernel code should not call compat syscalls (i.e., compat_sys_xyzyyz())
> * directly. Instead, use one of the functions which work equivalently, such
> * as the kcompat_sys_xyzyyz() functions prototyped below.
> */

That's what I meant ;)

> > Once you have done so, feel free to add my
> >
> > Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
>
> I hope that this still stands with the changes above?

It does. Thanks!

Dominik

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