linux-kernel - Re: [PATCH v3 0/3] ARM: !MMU: v7-A support, dynamic vectors base handling

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Date:   Wed, 1 Feb 2017 18:40:35 +0530
From:   Afzal Mohammed <afzal.mohd.ma@...il.com>
To:     Vladimir Murzin <vladimir.murzin@....com>,
        Russell King - ARM Linux <linux@...linux.org.uk>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/3] ARM: !MMU: v7-A support, dynamic vectors base
 handling

Hi,

On Wed, Feb 01, 2017 at 10:33:17AM +0000, Vladimir Murzin wrote:
> On 31/01/17 19:24, Russell King - ARM Linux wrote:
> > On Tue, Jan 31, 2017 at 06:34:46PM +0530, afzal mohammed wrote:

> >> ARM core changes to support !MMU Kernel on v7-A MMU processors.
> >>
> >> Based on the feedback from Russell, it was decided to handle vector
> >> base dynamically in C for no-MMU & work towards the the goal of
> >> removing VECTORS_BASE from Kconfig.
> > 
> > Looks good from my perspective.  If Vladimir can reply about patch 2,
> > then I think we'll be good to go with these.  Thanks.

Patch system has been updated with this series along with Vladimir's
Tested-by on patch 2.

Thanks

> My R-class and M-class setups continue to work with this series applied on
> top of next-20170201 plus

> following fixup for PATCH 2/3

Yes, Russell has applied another patch and the context changes a little.

> 
>  -#define VECTORS_BASE          UL(0xffff0000)
>  -
> - /*
> -  * We fix the TCM memories max 32 KiB ITCM resp DTCM at these
> -  * locations
> + #ifdef CONFIG_XIP_KERNEL
> + #define KERNEL_START          _sdata
> + #else
> 
> FWIW: Tested-by: Vladimir Murzin <vladimir.murzin@....com>

Thanks

Regards
afzal