[PATCH 5/5] powerpc/64s: Document that PPC supports nosmap

Russell Currey ruscur at russell.cc
Mon Oct 29 12:06:51 AEDT 2018


On Fri, 2018-10-26 at 18:35 +0200, LEROY Christophe wrote:
> Why not call our new functionnality SMAP instead of calling it GUAP ?

mpe wasn't a fan of using the same terminology as other architectures. 
Having a separate term does avoid some assumptions about how things
work or are implemented, but sharing compatibility with an existing
parameter is nice.

Personally I don't really care too much about the name.

- Russell

> 
> Christophe
> 
> Russell Currey <ruscur at russell.cc> a écrit :
> 
> > Signed-off-by: Russell Currey <ruscur at russell.cc>
> > ---
> >  Documentation/admin-guide/kernel-parameters.txt | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/admin-guide/kernel-parameters.txt  
> > b/Documentation/admin-guide/kernel-parameters.txt
> > index a5ad67d5cb16..8f78e75965f0 100644
> > --- a/Documentation/admin-guide/kernel-parameters.txt
> > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > @@ -2764,7 +2764,7 @@
> >  			noexec=on: enable non-executable mappings
> > (default)
> >  			noexec=off: disable non-executable mappings
> > 
> > -	nosmap		[X86]
> > +	nosmap		[X86,PPC]
> >  			Disable SMAP (Supervisor Mode Access
> > Prevention)
> >  			even if it is supported by processor.
> > 
> > --
> > 2.19.1
> 
> 



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