[PATCH 3/4] arm64: mm: drop unused __pa(__idmap_text_start)

[Mark Rutland]

On Tue, May 18, 2021 at 06:14:04PM +0800, Dong Aisheng wrote:
> x5 is not used in the following map_memory. Instead,
> __pa(__idmap_text_start) is stored in x3 which is used later.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>

It might be worth noting that this hasn't been used since commit:

  0370b31e48454d8c ("arm64: Extend early page table code to allow for larger kernels")

Either way:

Acked-by: Mark Rutland <mark.rutland at arm.com>

Mark.

> ---
>  arch/arm64/kernel/head.S | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
> index b70db34458ec..d266b4c6287d 100644
> --- a/arch/arm64/kernel/head.S
> +++ b/arch/arm64/kernel/head.S
> @@ -354,7 +354,6 @@ SYM_FUNC_START_LOCAL(__create_page_tables)
>  #endif
>  1:
>  	ldr_l	x4, idmap_ptrs_per_pgd
> -	mov	x5, x3				// __pa(__idmap_text_start)
>  	adr_l	x6, __idmap_text_end		// __pa(__idmap_text_end)
>  
>  	map_memory x0, x1, x3, x6, x7, x3, x4, x10, x11, x12, x13, x14
> -- 
> 2.25.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel