Re: [PATCH] x86/build: Build VSMP support only if selected

From: Eial Czerwacki
Date: Thu Nov 01 2018 - 09:32:07 EST


Greetings,

On 11/01/2018 12:39 PM, Shai Fultheim (Shai@xxxxxxxxxxx) wrote:
> On 01/11/18 11:37, Thomas Gleixner wrote:
>
>> VSMP support is built even if CONFIG_X86_VSMP is not set. This leads to a build
>> breakage when CONFIG_PCI is disabled as well.
>>
>> Build VSMP code only when selected.
>
> This patch disables detect_vsmp_box() on systems without CONFIG_X86_VSMP, due to
> the recent 6da63eb241a05b0e676d68975e793c0521387141. This is significant
> regression that will affect significant number of deployments.
>
> We will reply shortly with an updated patch that fix the dependency on pv_irq_ops,
> and revert to CONFIG_PARAVIRT, with proper protection for CONFIG_PCI.
>

here is the proper patch which fixes the issue on hand: