On Tue, Oct 15, 2024, Arnd Bergmann wrote:
> From: Arnd Bergmann <a...@arndb.de>
>
> Depending on x86 and KVM is not enough, as the kvm helper functions
> that get called here are controlled by CONFIG_KVM_X86, which is
> disabled if both KVM_INTEL and KVM_AMD are turned off.
>
> ERROR: modpost: "kvm_write_track_remove_gfn" [drivers/gpu/drm/i915/kvmgt.ko]
> undefined!
> ERROR: modpost: "kvm_page_track_register_notifier"
> [drivers/gpu/drm/i915/kvmgt.ko] undefined!
> ERROR: modpost: "kvm_page_track_unregister_notifier"
> [drivers/gpu/drm/i915/kvmgt.ko] undefined!
> ERROR: modpost: "kvm_write_track_add_gfn" [drivers/gpu/drm/i915/kvmgt.ko]
> undefined!
>
> Change the dependency to CONFIG_KVM_X86 instead.
>
> Fixes: ea4290d77bda ("KVM: x86: leave kvm.ko out of the build if no vendor
> module is requested")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> ---
> drivers/gpu/drm/i915/Kconfig | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
> index 46301c06d18a..985cb78d8256 100644
> --- a/drivers/gpu/drm/i915/Kconfig
> +++ b/drivers/gpu/drm/i915/Kconfig
> @@ -118,9 +118,8 @@ config DRM_I915_USERPTR
> config DRM_I915_GVT_KVMGT
> tristate "Enable KVM host support Intel GVT-g graphics virtualization"
> depends on DRM_I915
> - depends on X86
> + depends on KVM_X86
Can GVT-g even work on non-Intel CPUs? I.e. would it make sense to take a
dependency on KVM_INTEL?
> depends on 64BIT
> - depends on KVM
> depends on VFIO
> select DRM_I915_GVT
> select KVM_EXTERNAL_WRITE_TRACKING
> --
> 2.39.5
>
