Re: [PATCH v2 2/6] x86/mm/pat: Add pat_disable() interface

From: Toshi Kani
Date: Wed Mar 23 2016 - 10:57:09 EST


On Wed, 2016-03-23 at 09:51 +0100, Borislav Petkov wrote:
> On Tue, Mar 22, 2016 at 03:40:45PM -0600, Toshi Kani wrote:
> > Will change to "Prevent the OS from initializing the PAT MSR".
> >
> > I wanted to clarify that "disable" does not mean to disable PAT MSR.
>
> How do you "disable PAT MSR" ?

We can't, but I thought not everyone knows how it works...

> I think you're overdocumenting this. pat_disable() is as clear as day
> what it does. It doesn't need any commenting...

Right, maybe I am just paranoid. ÂI will remove the comment as you
suggested.

> > I've run checkpatch.pl and thought it was OK to have this warning
> > (instead of a >80 warning) since the error message part was not split.
> > ÂThe "attempting" part is for debugging and its string is passed from
> > the caller.Â
>
> We always put the quoted strings on a single line for easier grepping.
> Forget the 80-cols rule.

OK.

Thanks,
-Toshi