[PATCH v3 2/2] arm64: Introduce HWCAPS2_EXECONLY

[Will Deacon]

On Tue, Jan 19, 2021 at 04:07:23PM +0000, Vladimir Murzin wrote:
> With EPAN supported it might be handy to user know that PROT_EXEC
> gives execute-only permission, so advertise it via HWCAPS2_EXECONLY

I don't want to merge this without a concrete need for it in userspace.

Kees -- do you see this being necessary? I'm having a hard time
understanding what an application would do differently at runtime based on
this hwcap.

Will