From: Mark Rutland <mark.rutland@arm.com>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: catalin.marinas@arm.com, james.morse@arm.com, marcan@marcan.st,
mark.rutland@arm.com, maz@kernel.org, tglx@linutronix.de,
will@kernel.org
Subject: [PATCHv2 3/8] genirq: Allow architectures to override set_handle_irq() fallback
Date: Tue, 2 Mar 2021 10:12:06 +0000 [thread overview]
Message-ID: <20210302101211.2328-4-mark.rutland@arm.com> (raw)
In-Reply-To: <20210302101211.2328-1-mark.rutland@arm.com>
From: Marc Zyngier <maz@kernel.org>
Some architectures want to provide the generic set_handle_irq() API, but
for structural reasons need to provide their own implementation. For
example, arm64 needs to do this to provide uniform set_handle_irq() and
set_handle_fiq() registration functions.
Make this possible by allowing architectures to provide their own
implementation of set_handle_irq when CONFIG_GENERIC_IRQ_MULTI_HANDLER
is not selected.
Signed-off-by: Marc Zyngier <maz@kernel.org>
[Mark: expand commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Hector Martin <marcan@marcan.st>
Cc: James Morse <james.morse@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
---
include/linux/irq.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 2efde6a79b7e..9890180b84fd 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1258,11 +1258,13 @@ int __init set_handle_irq(void (*handle_irq)(struct pt_regs *));
*/
extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init;
#else
+#ifndef set_handle_irq
#define set_handle_irq(handle_irq) \
do { \
(void)handle_irq; \
WARN_ON(1); \
} while (0)
#endif
+#endif
#endif /* _LINUX_IRQ_H */
--
2.11.0
next prev parent reply other threads:[~2021-03-02 10:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 10:12 [PATCHv2 0/8] arm64: Support FIQ controller registration Mark Rutland
2021-03-02 10:12 ` [PATCHv2 1/8] ARM: ep93xx: Select GENERIC_IRQ_MULTI_HANDLER directly Mark Rutland
2021-03-02 10:12 ` [PATCHv2 2/8] irqchip: Do not blindly select CONFIG_GENERIC_IRQ_MULTI_HANDLER Mark Rutland
2021-03-02 10:12 ` Mark Rutland [this message]
2021-03-02 10:12 ` [PATCHv2 4/8] arm64: don't use GENERIC_IRQ_MULTI_HANDLER Mark Rutland
2021-03-02 10:12 ` [PATCHv2 5/8] arm64: irq: rework root IRQ handler registration Mark Rutland
2021-03-02 10:12 ` [PATCHv2 6/8] arm64: entry: factor irq triage logic into macros Mark Rutland
2021-03-02 10:12 ` [PATCHv2 7/8] arm64: Always keep DAIF.[IF] in sync Mark Rutland
2021-03-02 10:12 ` [PATCHv2 8/8] arm64: irq: allow FIQs to be handled Mark Rutland
2021-03-05 10:08 ` [PATCHv2 0/8] arm64: Support FIQ controller registration Hector Martin
2021-03-08 17:52 ` Mark Rutland
2021-03-08 20:20 ` Marc Zyngier
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