Re: [PATCH 1/3] KVM: arm64: fix include path for ring buffer implementation

[Vincent Donnefort]

On Thu, Mar 12, 2026 at 01:35:42PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> The simple_ring_buffer.c file is in the source tree rather than
> generated at build time, so the include path is wrong when using
> separate object trees:
> 
> arch/arm64/kvm/hyp/nvhe/trace.c:16:10: fatal error: simple_ring_buffer.c: No such file or directory
>    16 | #include "simple_ring_buffer.c"
> 
> Include it from the source tree instead.
> 
> Fixes: 680a04c333fa ("KVM: arm64: Add tracing capability for the nVHE/pKVM hyp")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

I believe Marc has taken a fix already for that one

https://lore.kernel.org/all/20260311164956.1424119-1-vdonnefort@xxxxxxxxxx/

> ---
>  arch/arm64/kvm/hyp/nvhe/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
> index 143d55ec7298..3d33fbefdfc1 100644
> --- a/arch/arm64/kvm/hyp/nvhe/Makefile
> +++ b/arch/arm64/kvm/hyp/nvhe/Makefile
> @@ -33,7 +33,7 @@ hyp-obj-$(CONFIG_NVHE_EL2_TRACING) += clock.o trace.o events.o
>  hyp-obj-y += $(lib-objs)
>  
>  # Path to simple_ring_buffer.c
> -CFLAGS_trace.nvhe.o += -I$(objtree)/kernel/trace/
> +CFLAGS_trace.nvhe.o += -I$(srctree)/kernel/trace/
>  
>  ##
>  ## Build rules for compiling nVHE hyp code
> -- 
> 2.39.5
>