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Message-Id: <20201026234905.1022767-87-sashal@kernel.org>
Date: Mon, 26 Oct 2020 19:48:05 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Zhen Lei <thunder.leizhen@...wei.com>,
Marc Zyngier <maz@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 5.9 087/147] genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
From: Zhen Lei <thunder.leizhen@...wei.com>
[ Upstream commit ea0c80d1764449acf2f70fdb25aec33800cd0348 ]
In order to avoid compilation errors when a driver references set_handle_irq(),
but that the architecture doesn't select GENERIC_IRQ_MULTI_HANDLER,
add a stub function that will just WARN_ON_ONCE() if ever used.
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
[maz: commit message]
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20200924071754.4509-2-thunder.leizhen@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
include/linux/irq.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1b7f4dfee35b3..b167baef88c0b 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1252,6 +1252,12 @@ int __init set_handle_irq(void (*handle_irq)(struct pt_regs *));
* top-level IRQ handler.
*/
extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init;
+#else
+#define set_handle_irq(handle_irq) \
+ do { \
+ (void)handle_irq; \
+ WARN_ON(1); \
+ } while (0)
#endif
#endif /* _LINUX_IRQ_H */
--
2.25.1
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