Re: [RFC PATCH v1] memory: tegra: Block DMA for clients HW on a faulty memory access

On Tuesday, 8 May 2018 19:58:41 MSK Dmitry Osipenko wrote:

Currently Memory Controller informs about erroneous memory accesses done
by memory clients and that's it. Let's make it to block whole HW unit
that corresponds to the misbehaving memory client in order to try to avoid
memory corruptions and to stop deliberate attempts of manipulation by a
misbehaving client.

Guys, any comments? That is a kinda useful feature, in worst case only some of 
memory could get corrupted instead of trashing the whole memory. In my 
experience with T20/30, the interrupt handling latency is low and blocking 
happens immediately after the first page fault.