[PATCH v7 10/13] x86/um: nommu: signal handling

[Hajime Tazaki]

Thanks,
# this is a thread of my older series, v7 (current one is v9), tho
your comment is still valid so, thanks !

On Thu, 19 Jun 2025 20:43:06 +0900,
Benjamin Berg wrote:
> 
> Hi,
> 
> I am not sure that fxsaveq/fxrstorq is guaranteed to be sufficient. I
> don't think that catches some of the newer AVX registers for example.

I've added fxsaveq/fxrstorq parts with your suggestion,
test-signal-restore.c.  I think I may not know all of userspace
situations with register usage so, my current approach is to address
each issue when we faced real issue with a concrete test case.

> At the same time, dealing with all that properly could be rather
> annoying. I don't really have a solution for that, normal UM does not
> need to deal with many of those details …

thanks for the input.
I'm also/always trying to study a lot from existing code base.

-- Hajime