> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of > Thomas Weißschuh > Sent: Monday, April 14, 2025 10:26 AM > To: Jeff Johnson <jjohnson@xxxxxxxxxx>; Loic Poulain > <loic.poulain@xxxxxxxxxx>; Brian Norris <briannorris@xxxxxxxxxxxx>; > Francesco Dolcini <francesco@xxxxxxxxxx>; Nguyen, Anthony L > <anthony.l.nguyen@xxxxxxxxx>; Kitszel, Przemyslaw > <przemyslaw.kitszel@xxxxxxxxx>; Andrew Lunn <andrew+netdev@xxxxxxx>; > David S. Miller <davem@xxxxxxxxxxxxx>; Dumazet, Eric > <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni > <pabeni@xxxxxxxxxx>; Saeed Mahameed <saeedm@xxxxxxxxxx>; Leon > Romanovsky <leon@xxxxxxxxxx>; Tariq Toukan <tariqt@xxxxxxxxxx> > Cc: ath10k@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > ath11k@xxxxxxxxxxxxxxxxxxx; ath12k@xxxxxxxxxxxxxxxxxxx; > wcn36xx@xxxxxxxxxxxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx; intel-wired- > lan@xxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx; > Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> > Subject: [Intel-wired-lan] [PATCH net-next 7/7] net/mlx5: Don't use %pK > through tracepoints > > In the past %pK was preferable to %p as it would not leak raw pointer values > into the kernel log. > Since commit ad67b74d2469 ("printk: hash addresses printed with %p") the > regular %p has been improved to avoid this issue. > Furthermore, restricted pointers ("%pK") were never meant to be used > through tracepoints. They can still unintentionally leak raw pointers or acquire > sleeping looks in atomic contexts. > > Switch to the regular pointer formatting which is safer and easier to reason > about. > There are still a few users of %pK left, but these use it through seq_file, for > which its usage is safe. > > Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx> > --- > drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint.h | 2 > +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git > a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint.h > b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint.h > index > 0537de86f9817dc80bd897688c539135b1ad37ac..9b0f44253f332aa602a8 > 4a1f6d7532a500dd4f55 100644 > --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint.h > +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint > +++ .h > @@ -28,7 +28,7 @@ DECLARE_EVENT_CLASS(mlx5_sf_dev_template, > __entry->hw_fn_id = sfdev->fn_id; > __entry->sfnum = sfdev->sfnum; > ), > - TP_printk("(%s) sfdev=%pK aux_id=%d hw_id=0x%x > sfnum=%u\n", > + TP_printk("(%s) sfdev=%p aux_id=%d hw_id=0x%x > sfnum=%u\n", > __get_str(devname), __entry->sfdev, > __entry->aux_id, __entry->hw_fn_id, > __entry->sfnum) > > -- > 2.49.0