diff options
| author | Kalesh AP <kalesh-anakkur.purayil@broadcom.com> | 2023-10-20 14:27:50 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-22 11:41:45 +0100 |
| commit | 55862094a9d0d14f607eec00b925401407d61070 (patch) | |
| tree | b2a3ebced1f579b2cc7242bba73dd49e4e884dfa /drivers/net/ethernet/broadcom/bnxt/bnxt.h | |
| parent | e10f4019b18d347241625026d015ed27eaf6005a (diff) | |
bnxt_en: Do not call sleeping hwmon_notify_event() from NAPI
Defer hwmon_notify_event() to bnxt_sp_task() workqueue because
hwmon_notify_event() can try to acquire a mutex shown in the stack trace
below. Modify bnxt_event_error_report() to return true if we need to
schedule bnxt_sp_task() to notify hwmon.
__schedule+0x68/0x520
hwmon_notify_event+0xe8/0x114
schedule+0x60/0xe0
schedule_preempt_disabled+0x28/0x40
__mutex_lock.constprop.0+0x534/0x550
__mutex_lock_slowpath+0x18/0x20
mutex_lock+0x5c/0x70
kobject_uevent_env+0x2f4/0x3d0
kobject_uevent+0x10/0x20
hwmon_notify_event+0x94/0x114
bnxt_hwmon_notify_event+0x40/0x70 [bnxt_en]
bnxt_event_error_report+0x260/0x290 [bnxt_en]
bnxt_async_event_process.isra.0+0x250/0x850 [bnxt_en]
bnxt_hwrm_handler.isra.0+0xc8/0x120 [bnxt_en]
bnxt_poll_p5+0x150/0x350 [bnxt_en]
__napi_poll+0x3c/0x210
net_rx_action+0x308/0x3b0
__do_softirq+0x120/0x3e0
Cc: Guenter Roeck <linux@roeck-us.net>
Fixes: a19b4801457b ("bnxt_en: Event handler for Thermal event")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 9ce0193798d4..80846c3ca9fc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2094,6 +2094,7 @@ struct bnxt { #define BNXT_FW_RESET_NOTIFY_SP_EVENT 18 #define BNXT_FW_EXCEPTION_SP_EVENT 19 #define BNXT_LINK_CFG_CHANGE_SP_EVENT 21 +#define BNXT_THERMAL_THRESHOLD_SP_EVENT 22 #define BNXT_FW_ECHO_REQUEST_SP_EVENT 23 struct delayed_work fw_reset_task; @@ -2196,6 +2197,7 @@ struct bnxt { u8 fatal_thresh_temp; u8 shutdown_thresh_temp; #endif + u32 thermal_threshold_type; enum board_idx board_idx; }; |