From mboxrd@z Thu Jan  1 00:00:00 1970
From: afzal.mohd.ma@gmail.com (afzal mohammed)
Date: Thu, 9 Mar 2017 18:16:40 +0530
Subject: [PATCH v2 2/4] ARM: nommu: dynamic exception base address setting
In-Reply-To: <7ab1dfbd-9240-4f4b-70e2-d09ffc1039de@uclinux.org>
References: <314159a7-b664-1256-647d-c05880ad7710@uclinux.org>
 <20170308162258.GA3515@afzalpc>
 <7ab1dfbd-9240-4f4b-70e2-d09ffc1039de@uclinux.org>
Message-ID: <20170309124640.GA8369@afzalpc>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi,

On Thu, Mar 09, 2017 at 09:51:58AM +1000, Greg Ungerer wrote:
> The patch below works too. Thanks for the quick response.

Thanks Greg for verifying

Vladimir, would the diff like below okay ?

Regards
afzal

> > ---8<---
> > diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
> > index 3b5c7aaf9c76..081562f5436e 100644
> > --- a/arch/arm/mm/nommu.c
> > +++ b/arch/arm/mm/nommu.c
> > @@ -303,7 +303,9 @@ static inline void set_vbar(unsigned long val)
> >   */
> >  static inline bool security_extensions_enabled(void)
> >  {
> > -	return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4);
> > +	if ((read_cpuid_id() & 0x000F0000) == 0x000F0000)
> > +		return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4);
> > +	return 0;
> >  }
> >  
> >  static unsigned long __init setup_vectors_base(void)
> >