[PATCH] arm64: Fix labels in el2_setup macros

[Catalin Marinas]

On Wed, Dec 23, 2020 at 12:11:31PM +0000, Marc Zyngier wrote:
> If someone happens to write the following code:
> 
> 	b	1f
> 	init_el2_state	vhe
> 1:
> 	[...]
> 
> they will be in for a long debugging session, as the label "1f"
> will be resolved *inside* the init_el2_state macro instead of
> after it. Not really what one expects.
> 
> Instead, rewite the EL2 setup macros to use unambiguous labels,
> thanks to the usual macro counter trick.
> 
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
>  arch/arm64/include/asm/el2_setup.h | 24 ++++++++++++------------

In case you need an ack:

Acked-by: Catalin Marinas <catalin.marinas at arm.com>