Re: [PATCH v5 10/22] target/arm: Define arm_cpu_do_unaligned_access for CONFIG_USER_ONLY

[Richard Henderson]

On 12/5/19 8:12 AM, Peter Maydell wrote:
> For arm_cpu_tlb_fill() which handles prefetch/data aborts
> we just have a separate much simpler codepath for
> CONFIG_USER_ONLY which doesn't call arm_deliver_fault().
> I think being consistent here about how we handle the
> CONFIG_USER_ONLY case would help avoid having a codepath
> that isn't very well tested because it's only used in
> the odd special case of unaligned-address exceptions.

Fair enough.

It also reminds me that I had failed to add the linux-user changes to go along
with this to raise SIGBUS instead of SIGSEGV.


r~