Hello!

On 28/07/17 15:10, James Morse wrote:
> Before we can enable Implicit ESB on exception level change, we need to
> handle deferred SErrors that may appear on exception entry.

Christoffer has pointed out on patch 16 that I've miss-understood IESB's 
behaviour:
> The implicit form of Error Synchronization Barrier: [...] Has no effect on
> DISR_EL1

Turns out the ARM-ARM psuedocode means subtly different things by 'ESB' and
'ErrorSynchronizationBarrier'.

Patches 11->16 will need rethinking, but it looks like they can be simplified.


Thanks,

James
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