Re: [PATCH 3/3] linux-user/arm: Implement __kernel_cmpxchg64 with host atomics

[Richard Henderson]

On 3/15/22 11:18, Peter Maydell wrote:
> > -segv:
> > -    end_exclusive();
> > -    /* We get the PC of the entry address - which is as good as anything,
> > -       on a real kernel what you get depends on which mode it uses. */
>
> This comment about the PC the guest signal handler is going
> to see when we take the SEGV is still valid, I think ?

Yes.  I guess I could move it to the block comment in front of atomic_mmu_lookup, because 
it would apply to both the SEGV and the BUS raised there.


r~