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→L2 cache management
<ref name="XAPP1078"> John McDougall, ''XAPP1078 (v1.0) Simple AMP Running Linux and Bare-Metal
System on Both Zynq SoC Processors'', 14th February 2013</ref> and
<ref name="XAPP1079">John McDougall, ''XAPP1079 (v1.0.1) Simple AMP: Bare-Metal System Running on Both Cortex-A9 Processors'', 24th January 2014</ref>,
L2 cache - in contrast to L1 - is a shared resource in Zynq implementation. As such, in case both cores have to use it, specific techniques have to be implemented to handle it in dual-OS AMP configuration.