Re: [PATCH 1/1] Drivers: hv: Move Hyper-V extended capability check to arch neutral code

[Wei Liu]

On Fri, Jun 04, 2021 at 12:14:09AM +0000, Sunil Muthuswamy wrote:
> > The extended capability query code is currently under arch/x86, but it
> > is architecture neutral, and is used by arch neutral code in the Hyper-V
> > balloon driver. Hence the balloon driver fails to build on other
> > architectures.
> > 
> > Fix by moving the ext cap code out from arch/x86.  Because it is also
> > called from built-in architecture specific code, it can't be in a module,
> > so the Makefile treats as built-in even when CONFIG_HYPERV is "m".  Also
> > drivers/Makefile is tweaked because this is the first occurrence of a
> > Hyper-V file that is built-in even when CONFIG_HYPERV is "m".
> > 
> > While here, update the hypercall status check to use the new helper
> > function instead of open coding. No functional change.
> > 
> 
> Thanks for taking care of this, Michael.
> 
> Reviewed-by: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx>

Applied to hyperv-next. Thanks.