[PATCH v2 1/2] arm64: Add macro version of the BTI instruction

[Mark Brown]

On Tue, Dec 07, 2021 at 08:02:16PM +0100, Ard Biesheuvel wrote:

> Can't we make these 34/36/38, respectively, and just do
> 
> hint #.Lbti_targets_\targets
> 
> here?

That works, the only downside is that it generates more hostile error
messages if you typo the argument, eg:

<instantiation>:4:7: error: immediate must be an integer in range [0, 127].
 hint #.L__bti_targets_d

I don't really mind either way.
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