[Intel-wired-lan] [patch 28/35] net: iwlwifi: Remove in_interrupt() from tracing macro.

Thomas Gleixner tglx at linutronix.de
Sun Sep 27 19:49:14 UTC 2020


From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>

The usage of in_interrupt) in driver code is phased out.

The iwlwifi_dbg tracepoint records in_interrupt() seperately, but that's
superfluous because the trace header already records all kind of state and
context information like hardirq status, softirq status, preemption count
etc.

Aside of that the recording of in_interrupt() as boolean does not allow to
distinguish between the possible contexts (hard interrupt, soft interrupt,
bottom half disabled) while the trace header gives precise information.

Remove the duplicate information from the tracepoint and fixup the caller.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Cc: Johannes Berg <johannes.berg at intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach at intel.com>
Cc: Luca Coelho <luciano.coelho at intel.com>
Cc: Intel Linux Wireless <linuxwifi at intel.com>
Cc: Kalle Valo <kvalo at codeaurora.org>
Cc: "David S. Miller" <davem at davemloft.net>
Cc: Jakub Kicinski <kuba at kernel.org>
Cc: linux-wireless at vger.kernel.org
Cc: netdev at vger.kernel.org

---
 drivers/net/wireless/intel/iwlwifi/iwl-debug.c        |    2 +-
 drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h |    6 ++----
 2 files changed, 3 insertions(+), 5 deletions(-)

--- a/drivers/net/wireless/intel/iwlwifi/iwl-debug.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-debug.c
@@ -123,7 +123,7 @@ void __iwl_dbg(struct device *dev,
 	    (!limit || net_ratelimit()))
 		dev_printk(KERN_DEBUG, dev, "%s %pV", function, &vaf);
 #endif
-	trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf);
+	trace_iwlwifi_dbg(level, function, &vaf);
 	va_end(args);
 }
 IWL_EXPORT_SYMBOL(__iwl_dbg);
--- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h
@@ -54,18 +54,16 @@ DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_
 );
 
 TRACE_EVENT(iwlwifi_dbg,
-	TP_PROTO(u32 level, bool in_interrupt, const char *function,
+	TP_PROTO(u32 level, const char *function,
 		 struct va_format *vaf),
-	TP_ARGS(level, in_interrupt, function, vaf),
+	TP_ARGS(level, function, vaf),
 	TP_STRUCT__entry(
 		__field(u32, level)
-		__field(u8, in_interrupt)
 		__string(function, function)
 		__dynamic_array(char, msg, MAX_MSG_LEN)
 	),
 	TP_fast_assign(
 		__entry->level = level;
-		__entry->in_interrupt = in_interrupt;
 		__assign_str(function, function);
 		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
 				       MAX_MSG_LEN, vaf->fmt,



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