[ofw] [PATCH] Fix uncontrollable debug spew from mlx4_hca driver

[Fab Tillier]

Done in revision 3079.

-Fab

Fab Tillier wrote on Tue, 11 Jan 2011 at 22:31:22

> The mlx4_hca driver will spew stuff to the debugger on every MAD WQE
> processed, which makes the debugger close to useless as any useful output
> is drowned out.
> 
> This patch makes it so that the debug flags are checked before
> generating output.
> 
> Signed-off-by: Fab Tillier <ftillier at microsoft.com>
> 
> Index: hw/mlx4/kernel/bus/drv/stat.c
> =================================================================== ---
> hw/mlx4/kernel/bus/drv/stat.c	(revision 3068) +++
> hw/mlx4/kernel/bus/drv/stat.c	(working copy) @@ -146,9 +146,11 @@ void
> st_dump_mlx_wqe(struct mlx4_dev *md
>  	UNUSED_PARAM(wr);
>  #endif
> -	mlx4_dbg(mdev, "\n\t ========== MLX WQE at %p, size %#x ==========\n",
> -		wqe, size_in_dwords*4 ); - +	if ( mdev->pdev->p_stat_dev->flags &
> MLX4_MAD_TRACE_WR ) { +		mlx4_dbg(mdev, "\n\t ========== MLX WQE at %p,
> size %#x ==========\n", +			wqe, size_in_dwords*4 ); +	} +
>  	if ( mdev->pdev->p_stat_dev->flags & MLX4_MAD_TRACE_MLX_WQE_DUMP ) {
>  		for ( j = 0; j < size_in_dwords; ++j ) { 			mlx4_warn( mdev, "\t
>  %04x:	%08x %08x %08x
> %08x \n", 16*j,