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SubjectRe: [PATCH 13/18] kernel: add kcompat_sys_{f,}statfs64()
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.
*/

> 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?

Thanks,
Mark.

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