Re: [Xen-devel] [PATCH linux v2] arm: xen: implement multicall hypercall support.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 7 Apr 2014, Ian Campbell wrote:
> As part of this make the usual change to xen_ulong_t in place of unsigned 
> long.
> This change has no impact on x86.
> 
> The Linux definition of struct multicall_entry.result differs from the Xen
> definition, I think for good reasons, and used a long rather than an unsigned
> long. Therefore introduce a xen_long_t, which is a long on x86 architectures
> and a signed 64-bit integer on ARM.
> 
> Use uint32_t nr_calls on x86 for consistency with the ARM definition.
> 
> Build tested on amd64 and i386 builds. Runtime tested on ARM.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
>
> diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S
> index d1cf7b7..44e3a5f 100644
> --- a/arch/arm/xen/hypercall.S
> +++ b/arch/arm/xen/hypercall.S
> @@ -89,6 +89,7 @@ HYPERCALL2(memory_op);
>  HYPERCALL2(physdev_op);
>  HYPERCALL3(vcpu_op);
>  HYPERCALL1(tmem_op);
> +HYPERCALL2(multicall);
>  
>  ENTRY(privcmd_call)
>       stmdb sp!, {r4}

This patch is missing the same change in arch/arm64/xen/hypercall.S.


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