linux-kernel - [PATCH 18/21] xen/events: Switch to number_of

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Message-ID: <20240930181600.1684198-19-bvanassche@acm.org>
Date: Mon, 30 Sep 2024 11:15:57 -0700
From: Bart Van Assche <bvanassche@....org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@...linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Bart Van Assche <bvanassche@....org>,
	Juergen Gross <jgross@...e.com>
Subject: [PATCH 18/21] xen/events: Switch to number_of_interrupts()

Use the number_of_interrupts() function instead of the global variable
'nr_irqs'. This patch prepares for changing 'nr_irqs' from an exported
global variable into a variable with file scope.

Cc: Juergen Gross <jgross@...e.com>
Signed-off-by: Bart Van Assche <bvanassche@....org>
---
 drivers/xen/events/events_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 81effbd53dc5..3c020b3f583d 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -411,7 +411,7 @@ static evtchn_port_t evtchn_from_irq(unsigned int irq)
 {
 	const struct irq_info *info = NULL;
 
-	if (likely(irq < nr_irqs))
+	if (likely(irq < number_of_interrupts()))
 		info = info_for_irq(irq);
 	if (!info)
 		return 0;