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

[Shai Fultheim (Shai@xxxxxxxxxxx)]

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.