[PATCH v1 0/1] xilinx_zynq: Enable support for 4kiB MMU pages

[Jan.Sommer at dlr.de]

> -----Original Message-----
> From: Sebastian Huber <sebastian.huber at embedded-brains.de>
> Sent: Friday, November 27, 2020 9:27 AM
> To: Sommer, Jan <Jan.Sommer at dlr.de>; devel at rtems.org
> Subject: Re: [PATCH v1 0/1] xilinx_zynq: Enable support for 4kiB MMU pages
> 
> On 26/11/2020 17:08, Jan Sommer wrote:
> 
> > This should enable the support for small MMU tables for the
> > xilinx_zynq based BSPs and enable it by default.
> I would not enable it by default, since it makes the TLB cache less efficient
> and you more frequently have to access memory to get the MMU
> descriptors. You only need the 4KiB pages, if you do some extra stuff in your
> application.

Ok, I copied the behavior from the realview BSP. Should I change it to default disabled there too?

Cheers,

    Jan

> >
> > Would this also be something to backport to RTEMS5?
> > I could prepare a patch where it is not enabled by default, so that
> > there is no difference for users of 5.1.
> This would be fine from my side.
> 
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