[U-Boot] [PATCH 0/5] Add KConfig option for cache maintenance availability

[Emmanuel Vadot]

 Hi Faiz,

On Tue, 22 May 2018 11:47:41 +0530
Faiz Abbas <faiz_abbas at ti.com> wrote:

> Hi,
> 
> On Monday 30 April 2018 02:03 PM, Emmanuel Vadot wrote:
> > Hi,
> > 
> > In order to correctly exectute some binaries on some arch we need to flush
> > the data cache or instructions cache. Some arch offer helper functions for
> > this while others don't (or don't have the ability to do this in hardware).
> > Introduce some kconfig option name SYS_HAVE_DCACHE_MAINTENANCE and
> > SYS_HAVE_ICACHE_MAINTENANCE and enable it on some arm CPU that have cache
> > maintenance helpers.
> 
> It was decided that instead of flushing/invalidating caches,
> architectures should add support for allocating coherent data in the
> first place.
> 
> See the discussion here:
> https://patchwork.ozlabs.org/patch/826131/
> 
> Thanks,
> Faiz

 Thanks for the heads up.
 Are you working on on this for arm ?

 Cheers,

-- 
Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>