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Date:   Wed, 30 Dec 2020 16:45:40 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Arnd Bergmann <arnd@...db.de>, Marc Zyngier <maz@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] genirq: Export irq_check_status_bit

From: Arnd Bergmann <arnd@...db.de>

Changing some inline functions to use the new irq_check_status_bit
function out of line breaks calling them from loadable modules:

ERROR: modpost: "irq_check_status_bit" [drivers/perf/arm_spe_pmu.ko] undefined!

Export the function to make it work again. One can debate over
whether this should be EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL(),
as it could be called from any module before and making it GPL-only
changes behavior. However all other symbols in this file are
EXPORT_SYMBOL_GPL(), so I went with that for consistency.

Fixes: fdd029630434 ("genirq: Move status flag checks to core")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 kernel/irq/manage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ab8567f32501..dec3f73e8db9 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2859,3 +2859,4 @@ bool irq_check_status_bit(unsigned int irq, unsigned int bitmask)
 	rcu_read_unlock();
 	return res;
 }
+EXPORT_SYMBOL_GPL(irq_check_status_bit);
-- 
2.29.2

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