Re: [Qemu-devel] [PATCH 28/31] target/s390x: Use unwind data for helper_lra

[Richard Henderson]

On 05/23/2017 05:11 AM, Aurelien Jarno wrote:
> On 2017-05-22 20:03, Richard Henderson wrote:
> > Note that exception_index is not live during a TB,
> > so there is no point saving it around mmu_translate.
>
> What do you mean by "is not live"? Indeed cpu_loop_exit() is not called
> so the TB is not terminated immediately. That said the while loop in
> cpu_exec() will trigger the exception after the TB.

Ah, yes.  I'll undo that bit.


r~