linux-kernel - [PATCH 13/37] softirq: Macrofy softirq vectors

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Message-Id: <20190228171242.32144-14-frederic@kernel.org>
Date:   Thu, 28 Feb 2019 18:12:18 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        "David S . Miller" <davem@...emloft.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Pavan Kondeti <pkondeti@...eaurora.org>,
        Ingo Molnar <mingo@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: [PATCH 13/37] softirq: Macrofy softirq vectors

Define the softirq vectors through macros so that we can later include
them in the automated definition of lockdep usage states.

Reviewed-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc: Joel Fernandes <joel@...lfernandes.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Pavan Kondeti <pkondeti@...eaurora.org>
Cc: Paul E . McKenney <paulmck@...ux.vnet.ibm.com>
Cc: David S . Miller <davem@...emloft.net>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
---
 include/linux/interrupt.h      | 17 ++++-------------
 include/linux/softirq_vector.h | 12 ++++++++++++
 2 files changed, 16 insertions(+), 13 deletions(-)
 create mode 100644 include/linux/softirq_vector.h

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c672f34235e7..e871f361f1f1 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -474,21 +474,12 @@ extern bool force_irqthreads;
    tasklets are more than enough. F.e. all serial device BHs et
    al. should be converted to tasklets, not to softirqs.
  */
-
 enum
 {
-	HI_SOFTIRQ=0,
-	TIMER_SOFTIRQ,
-	NET_TX_SOFTIRQ,
-	NET_RX_SOFTIRQ,
-	BLOCK_SOFTIRQ,
-	IRQ_POLL_SOFTIRQ,
-	TASKLET_SOFTIRQ,
-	SCHED_SOFTIRQ,
-	HRTIMER_SOFTIRQ, /* Unused, but kept as tools rely on the
-			    numbering. Sigh! */
-	RCU_SOFTIRQ,    /* Preferable RCU should always be the last softirq */
-
+#define SOFTIRQ_VECTOR(__SVEC) \
+	__SVEC##_SOFTIRQ,
+#include <linux/softirq_vector.h>
+#undef SOFTIRQ_VECTOR
 	NR_SOFTIRQS
 };
 
diff --git a/include/linux/softirq_vector.h b/include/linux/softirq_vector.h
new file mode 100644
index 000000000000..c0308cbc916f
--- /dev/null
+++ b/include/linux/softirq_vector.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+SOFTIRQ_VECTOR(HI)
+SOFTIRQ_VECTOR(TIMER)
+SOFTIRQ_VECTOR(NET_TX)
+SOFTIRQ_VECTOR(NET_RX)
+SOFTIRQ_VECTOR(BLOCK)
+SOFTIRQ_VECTOR(IRQ_POLL)
+SOFTIRQ_VECTOR(TASKLET)
+SOFTIRQ_VECTOR(SCHED)
+SOFTIRQ_VECTOR(HRTIMER)
+SOFTIRQ_VECTOR(RCU)    /* Preferable RCU should always be the last softirq */
-- 
2.21.0