[PATCH v4 03/36] arm64/gcs: Document the ABI for Guarded Control Stacks

[Mark Brown]

On Thu, Aug 24, 2023 at 04:43:19PM +0100, Catalin Marinas wrote:

> If we go for extending clone3, I wonder whether we should also introduce
> a sigaltstack2/3 ;). I haven't checked what the current patches do and
> won't have time until early September (on holiday from the end of today).

The current patches (and the x86 stuff that's in -next) punt on
sigaltstack for now, the discussions around that are unresolved.  My
hope is that whatever we come up with there can be cross platform.
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