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

Sebastian Huber sebastian.huber at embedded-brains.de
Fri Nov 27 08:38:38 UTC 2020

On 27/11/2020 09:36, Jan.Sommer at dlr.de wrote:

>> -----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?
No, the realview_pbx_a9_qemu BSP is only used for testing and 
development on Qemu.

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