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SubjectRe: [PATCH v8 4/5] x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable
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On 17.07.19 19:22, Joe Perches wrote:
> On Wed, 2019-07-17 at 08:49 +0200, Juergen Gross wrote:
>> On 17.07.19 08:46, Joe Perches wrote:
>>> On Tue, 2019-07-16 at 12:26 +0800, Zhenzhong Duan wrote:
>>>> .. as "nopv" support needs it to be changeable at boot up stage.
>>>>
>>>> Checkpatch reports warning, so move variable declarations from
>>>> hypervisor.c to hypervisor.h
>>> []
>>>> diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c
>>> []
>>>> @@ -259,7 +259,7 @@ static __init void xen_hvm_guest_late_init(void)
>>>> #endif
>>>> }
>>>>
>>>> -const __initconst struct hypervisor_x86 x86_hyper_xen_hvm = {
>>>> +struct hypervisor_x86 x86_hyper_xen_hvm __initdata = {
>>>
>>> static?
>>
>> It is being referenced from arch/x86/kernel/cpu/hypervisor.c
>
> But wasn't it also removed from the list of externs?
>
> Rereading the .h file, no it wasn't. I missed that.
>
> Perhaps the extern list could be reordered to move this
> x86_hyper_xen_hvm to be next to x86_hyper_type.
>
> I also suggest that "extern bool nopv" might be a bit
> non-specific and could use a longer identifier.

You are a little bit late. It has been this way since V5 of the series
posted on July 3rd.

I have pushed the series to my tree already and I'm about to send the
pull request.

Followup patches welcome. :-)


Juergen

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