diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-06-14 09:55:46 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-06-14 09:55:46 +0200 |
| commit | 14731a640e5513bd514adcf35e96c84ad42f540d (patch) | |
| tree | ab909e6f1506c1d2cff57fbb86a1d6f295b1b413 /drivers/net/wireless/microchip/wilc1000/netdev.h | |
| parent | 41f590e31c6c8b8a0a490b7c1ad2e57c20ec3d9b (diff) | |
| parent | f1909e859753c9bda87c6d2b82a7f832ef80aa2d (diff) | |
Merge drm/drm-fixes into drm-misc-fixes
Roll -rc3 and current drm/fixes in.
This will also unstuck our for-next branch.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/netdev.h')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/netdev.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.h b/drivers/net/wireless/microchip/wilc1000/netdev.h index eecee3973d6a..fde8610a9c84 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.h +++ b/drivers/net/wireless/microchip/wilc1000/netdev.h @@ -32,8 +32,8 @@ #define wilc_for_each_vif(w, v) \ struct wilc *_w = w; \ - list_for_each_entry_rcu(v, &_w->vif_list, list, \ - rcu_read_lock_held()) + list_for_each_entry_srcu(v, &_w->vif_list, list, \ + srcu_read_lock_held(&_w->srcu)) struct wilc_wfi_stats { unsigned long rx_packets; @@ -220,6 +220,14 @@ struct wilc { /* protect vif list */ struct mutex vif_mutex; + /* Sleepable RCU struct to manipulate vif list. Sleepable version is + * needed over the classic RCU version because the driver's current + * design involves some sleeping code while manipulating a vif + * retrieved from vif list (so in a SRCU critical section), like: + * - sending commands to the chip, using info from retrieved vif + * - registering a new monitoring net device + */ + struct srcu_struct srcu; u8 open_ifcs; /* protect head of transmit queue */ |