Re: [PATCH v1 04/11] KVM: arm64: nVHE: Use NULL to reset the trace buffer backing pointer

Vincent Donnefort <[email protected]> Mon, 3 Aug 2026 11:34:55 +0100
Newsgroups org.kernel.vger.linux-trace-kernel,dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On Mon, Jul 20, 2026 at 05:13:36PM +0100, Fuad Tabba wrote:
> bpages_backing_start is a pointer; resetting it to plain 0 triggers a
> sparse warning.
> 
> No functional change intended.
> 
> Signed-off-by: Fuad Tabba <[email protected]>

Probably missed this when modifying the type for bpages_backing_start.

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

> ---
>  arch/arm64/kvm/hyp/nvhe/trace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/kvm/hyp/nvhe/trace.c b/arch/arm64/kvm/hyp/nvhe/trace.c
> index e7e150ab265ff..177fe3d8fbb13 100644
> --- a/arch/arm64/kvm/hyp/nvhe/trace.c
> +++ b/arch/arm64/kvm/hyp/nvhe/trace.c
> @@ -93,7 +93,7 @@ static void hyp_trace_buffer_unload_bpage_backing(struct hyp_trace_buffer *trace
>  
>  	__release_host_mem(start, size);
>  
> -	trace_buffer->bpages_backing_start = 0;
> +	trace_buffer->bpages_backing_start = NULL;
>  	trace_buffer->bpages_backing_size = 0;
>  }
>  
> -- 
> 2.39.5
> 

-- 
Vincent