Re: [Xen-devel] [PATCH v7 4/5] x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable

[Juergen Gross <jgross@xxxxxxxx>]

On 11.07.19 14:02, Zhenzhong Duan wrote:
> .. as "nopv" support needs it to be changeable at boot up stage.
>
> Checkpatch report warning, so move variable declarations from
> hypervisor.c to hypervisor.h
>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Cc: Juergen Gross <jgross@xxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> ---
>   arch/x86/include/asm/hypervisor.h | 8 ++++++++
>   arch/x86/kernel/cpu/hypervisor.c  | 8 --------
>   2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/x86/include/asm/hypervisor.h 
> b/arch/x86/include/asm/hypervisor.h
> index f7b4c53..e41cbf2 100644
> --- a/arch/x86/include/asm/hypervisor.h
> +++ b/arch/x86/include/asm/hypervisor.h
> @@ -58,6 +58,14 @@ struct hypervisor_x86 {
>         bool ignore_nopv;
>   };
>   
> +extern const struct hypervisor_x86 x86_hyper_vmware;
> +extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
> +extern const struct hypervisor_x86 x86_hyper_xen_pv;
> +extern const struct hypervisor_x86 x86_hyper_kvm;
> +extern const struct hypervisor_x86 x86_hyper_jailhouse;
> +extern const struct hypervisor_x86 x86_hyper_acrn;
> +extern struct hypervisor_x86 x86_hyper_xen_hvm;
This should either stay const and be changed in patch 5, or you
should adapt its definition in arch/x86/xen/enlighten_hvm.c in
this patch.


Juergen

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