Re: [Xen-devel] [PATCH MM-PART2 RESEND v2 05/19] xen/arm: Remove parameter cpuid from start_xen

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 14 May 2019, Julien Grall wrote:
> The parameter cpuid is not used by start_xen. So remove it.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
>     - Re-order the patch with "xen/arm: Rework secondary_start
>     prototype"
> ---
>  xen/arch/arm/arm32/head.S | 1 -
>  xen/arch/arm/arm64/head.S | 1 -
>  xen/arch/arm/setup.c      | 3 +--
>  3 files changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S
> index 8a98607459..cb8a3bf829 100644
> --- a/xen/arch/arm/arm32/head.S
> +++ b/xen/arch/arm/arm32/head.S
> @@ -447,7 +447,6 @@ launch:
>          sub   sp, #CPUINFO_sizeof    /* Make room for CPU save record */
>          mov   r0, r10                /* Marshal args: - phys_offset */
>          mov   r1, r8                 /*               - DTB address */
> -        mov   r2, r7                 /*               - CPU ID */
>          teq   r12, #0
>          beq   start_xen              /* and disappear into the land of C */
>          b     start_secondary        /* (to the appropriate entry point) */
> diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S
> index 4fe904c51d..075013878e 100644
> --- a/xen/arch/arm/arm64/head.S
> +++ b/xen/arch/arm/arm64/head.S
> @@ -584,7 +584,6 @@ launch:
>  
>          mov   x0, x20                /* Marshal args: - phys_offset */
>          mov   x1, x21                /*               - FDT */
> -        mov   x2, x24                /*               - CPU ID */
>          cbnz  x22, 1f
>          b     start_xen              /* and disappear into the land of C */
>  1:
> diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> index faaf029b99..2f714d8b37 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -733,8 +733,7 @@ size_t __read_mostly dcache_line_bytes;
>  
>  /* C entry point for boot CPU */
>  void __init start_xen(unsigned long boot_phys_offset,
> -                      unsigned long fdt_paddr,
> -                      unsigned long cpuid)
> +                      unsigned long fdt_paddr)
>  {
>      size_t fdt_size;
>      int cpus, i;
> -- 
> 2.11.0
> 

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