[PATCH v1 15/20] arm64: add POE signal support

[Joey Gouly]

Hi Mark,

On Thu, Oct 05, 2023 at 03:34:29PM +0100, Mark Brown wrote:
> On Wed, Sep 27, 2023 at 03:01:18PM +0100, Joey Gouly wrote:
> > Add PKEY support to signals, by saving and restoring POR_EL0 from the stackframe.
> 
> It'd be nice to have at least a basic test that validates that we
> generate a POE signal frame when expected, though that should be a very
> minor thing which is unlikely to ever actually spot anything.
> 
> I'd also expect to see matching support added to ptrace.

The selftests/mm/protection_keys.c looks for the POE signal frame, do you think
we need a separate test?

I will look into ptrace.

Thanks,
Joey