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SubjectRe: [PATCH v4 1/5] arm64: perf: Basic uncore counter support for Cavium ThunderX SOC
On Fri, Nov 11, 2016 at 11:39:21AM +0100, Jan Glauber wrote:
> Hi Mark,
>
> thanks for reviewing. One question below,

> On Thu, Nov 10, 2016 at 04:54:06PM +0000, Mark Rutland wrote:

> > On Sat, Oct 29, 2016 at 01:55:29PM +0200, Jan Glauber wrote:

> > > +#include <linux/cpufeature.h>
> > > +#include <linux/numa.h>
> > > +#include <linux/slab.h>
> >
> > I believe the following includes are necessary for APIs and/or data
> > explicitly referenced by the driver code:

[...]

> Should I also add includes that are already in the included by uncore_cavium.h?

Please do.

> I usually avoid includes that come through the "local" header file.

Generally, when you explcitly use some macro/function/data in a file,
that file should have the relevant include.

If something's only used in the header (e.g. hidden in a macro or inline
function), then we only need that include in the header.

For example: uncore_cavium.h uses container_of(), and should include
<linux/kernel.h>. Also, uncore_cavium.c also uses container_of()
directly for something unrelated, and should also include
<linux/kernel.h>.

Thanks,
Mark.

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