linux-kernel - [tip:irq/core] genirq: Make early_irq

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Date:   Fri, 26 May 2017 05:58:31 -0700
From:   tip-bot for Vincent Legoll <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     vincent.legoll@...il.com, tglx@...utronix.de, mingo@...nel.org,
        linux-kernel@...r.kernel.org, hpa@...or.com
Subject: [tip:irq/core] genirq: Make early_irq_init() print out more
 informative

Commit-ID:  5a29ef22098874db79af7bf92a247a0f503bfa6e
Gitweb:     http://git.kernel.org/tip/5a29ef22098874db79af7bf92a247a0f503bfa6e
Author:     Vincent Legoll <vincent.legoll@...il.com>
AuthorDate: Tue, 9 May 2017 10:34:09 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 26 May 2017 14:54:05 +0200

genirq: Make early_irq_init() print out more informative

The printk in early_irq_init() is cryptic and badly formatted:

  NR_IRQS:33024 nr_irqs:968 16

The last number is the number of preallocated interrupts, so add a prefix
to it:

  NR_IRQS: 33024, nr_irqs: 968, preallocated irqs: 16

Cleanup the formatting for better readability as well.

Signed-off-by: Vincent Legoll <vincent.legoll@...il.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1494318849-6733-1-git-send-email-vincent.legoll@gmail.com

---
 kernel/irq/irqdesc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 00bb0ae..09abce2 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -480,7 +480,8 @@ int __init early_irq_init(void)
 
 	/* Let arch update nr_irqs and return the nr of preallocated irqs */
 	initcnt = arch_probe_nr_irqs();
-	printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d %d\n", NR_IRQS, nr_irqs, initcnt);
+	printk(KERN_INFO "NR_IRQS: %d, nr_irqs: %d, preallocated irqs: %d\n",
+	       NR_IRQS, nr_irqs, initcnt);
 
 	if (WARN_ON(nr_irqs > IRQ_BITMAP_BITS))
 		nr_irqs = IRQ_BITMAP_BITS;
@@ -516,7 +517,7 @@ int __init early_irq_init(void)
 
 	init_irq_default_affinity();
 
-	printk(KERN_INFO "NR_IRQS:%d\n", NR_IRQS);
+	printk(KERN_INFO "NR_IRQS: %d\n", NR_IRQS);
 
 	desc = irq_desc;
 	count = ARRAY_SIZE(irq_desc);