[PATCH v2 0/4] arm64: Fix single-step handling

[Luis Machado]

Hi Will,

On 7/2/20 6:26 PM, Will Deacon wrote:
> Hi all,
> 
> This is version two of the patches I previously posted here:
> 
>    v1: https://lore.kernel.org/linux-arm-kernel/20200603151033.11512-1-will@kernel.org/
> 
> Thanks to Keno for a bunch of helpful feedback on that, which has led to
> the following major changes for v2:
> 
>    - Use pseudo-step traps for both entering a signal handler and exiting a
>      system call.
> 
>    - Document our weird x7 behaviour with PTRACE_SYSCALL.
> 
> It has to be said that I'm a bit nervous about these changes. I played
> around with GDB and things seemed ok, but I would really appreciate it
> if Luis could run the GDB testsuite with these changes applied.

Thanks for working on this. I'll need some time to give this a go. I'll 
let you know what the results are.

Do I only need to exercise the AArch64 state? Or would this impact 
AArch32 as well?

Regards,
Luis