Re: [PATCH v1 05/11] KVM: arm64: nVHE: Run the source checker under C=2

On Mon, Jul 20, 2026 at 05:13:37PM +0100, Fuad Tabba wrote:
> The custom %.nvhe.o rule reuses rule_cc_o_c, which hooks the source
> checker only for C=1, and that only when the object is rebuilt. The
> C=2 hook, cmd_force_checksrc, hangs off the standard %.o rule that
> nVHE objects do not use, so "make C=2" silently skips every nVHE
> source file. Call cmd_force_checksrc after the compile rule, as the
> standard rule does.
> 
> Fixes: 7621712918ad4 ("KVM: arm64: Add build rules for separate VHE/nVHE object files")
> Signed-off-by: Fuad Tabba <[email protected]>

Nice, I have wanted to fix this annoying issue for a while now!

Reviewed-by: Vincent Donnefort <[email protected]>
Tested-by: Vincent Donnefort <[email protected]>

> ---
>  arch/arm64/kvm/hyp/nvhe/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
> index f57450ebcb498..ccc1fe8394094 100644
> --- a/arch/arm64/kvm/hyp/nvhe/Makefile
> +++ b/arch/arm64/kvm/hyp/nvhe/Makefile
> @@ -49,6 +49,7 @@ targets += $(hyp-obj) kvm_nvhe.tmp.o kvm_nvhe.rel.o hyp.lds hyp-reloc.S hyp-relo
>  #    avoids file name clashes for files shared with VHE.
>  $(obj)/%.nvhe.o: $(src)/%.c FORCE
>  	$(call if_changed_rule,cc_o_c)
> +	$(call cmd,force_checksrc)
>  $(obj)/%.nvhe.o: $(src)/%.S FORCE
>  	$(call if_changed_rule,as_o_S)
>  
> -- 
> 2.39.5
> 

-- 
Vincent