linux-kernel - [PATCH v3 19/22] xen/events: Switch to irq_get_nr

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Message-ID: <20241015190953.1266194-20-bvanassche@acm.org>
Date: Tue, 15 Oct 2024 12:09:50 -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 v3 19/22] xen/events: Switch to irq_get_nr_irqs()

Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare 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..985e155ebe4b 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 < irq_get_nr_irqs()))
 		info = info_for_irq(irq);
 	if (!info)
 		return 0;