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: [PATCH 3/8] genirq: Allow architectures to override set_handle_irq() fallback Date: Fri, 19 Feb 2021 11:38:59 +0000 [thread overview] Message-ID: <20210219113904.41736-4-mark.rutland@arm.com> (raw) In-Reply-To: <20210219113904.41736-1-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 unifoprm 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
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: mark.rutland@arm.com, catalin.marinas@arm.com, marcan@marcan.st, james.morse@arm.com, maz@kernel.org, tglx@linutronix.de, will@kernel.org Subject: [PATCH 3/8] genirq: Allow architectures to override set_handle_irq() fallback Date: Fri, 19 Feb 2021 11:38:59 +0000 [thread overview] Message-ID: <20210219113904.41736-4-mark.rutland@arm.com> (raw) In-Reply-To: <20210219113904.41736-1-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 unifoprm 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-19 11:40 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-19 11:38 [PATCH 0/8] arm64: Support FIQ controller registration Mark Rutland 2021-02-19 11:38 ` Mark Rutland 2021-02-19 11:38 ` [PATCH 1/8] ARM: ep93xx: Select GENERIC_IRQ_MULTI_HANDLER directly Mark Rutland 2021-02-19 11:38 ` Mark Rutland 2021-02-19 11:38 ` [PATCH 2/8] irqchip: Do not blindly select CONFIG_GENERIC_IRQ_MULTI_HANDLER Mark Rutland 2021-02-19 11:38 ` Mark Rutland 2021-02-19 11:38 ` Mark Rutland [this message] 2021-02-19 11:38 ` [PATCH 3/8] genirq: Allow architectures to override set_handle_irq() fallback Mark Rutland 2021-02-19 11:39 ` [PATCH 4/8] arm64: don't use GENERIC_IRQ_MULTI_HANDLER Mark Rutland 2021-02-19 11:39 ` Mark Rutland 2021-02-19 11:39 ` [PATCH 5/8] arm64: irq: add a default handle_irq panic function Mark Rutland 2021-02-19 11:39 ` Mark Rutland 2021-02-22 9:59 ` Mark Rutland 2021-02-22 9:59 ` Mark Rutland 2021-02-22 10:48 ` Marc Zyngier 2021-02-22 10:48 ` Marc Zyngier 2021-02-22 11:25 ` Mark Rutland 2021-02-22 11:25 ` Mark Rutland 2021-02-22 11:43 ` Marc Zyngier 2021-02-22 11:43 ` Marc Zyngier 2021-02-22 12:06 ` Mark Rutland 2021-02-22 12:06 ` Mark Rutland 2021-02-22 12:23 ` Marc Zyngier 2021-02-22 12:23 ` Marc Zyngier 2021-02-19 11:39 ` [PATCH 6/8] arm64: entry: factor irq triage logic into macros Mark Rutland 2021-02-19 11:39 ` Mark Rutland 2021-02-19 11:39 ` [PATCH 7/8] arm64: Always keep DAIF.[IF] in sync Mark Rutland 2021-02-19 11:39 ` Mark Rutland 2021-02-19 17:25 ` [PATCH 7/8 v1.5] " Hector Martin 2021-02-19 17:25 ` Hector Martin 2021-02-19 18:26 ` Mark Rutland 2021-02-19 18:26 ` Mark Rutland 2021-02-22 17:39 ` Hector Martin 2021-02-22 17:39 ` Hector Martin 2021-02-22 18:43 ` Mark Rutland 2021-02-22 18:43 ` Mark Rutland 2021-02-19 11:39 ` [PATCH 8/8] arm64: irq: allow FIQs to be handled Mark Rutland 2021-02-19 11:39 ` Mark Rutland 2021-02-19 15:37 ` Joey Gouly 2021-02-19 15:37 ` Joey Gouly 2021-02-19 18:18 ` Mark Rutland 2021-02-19 18:18 ` Mark Rutland 2021-02-19 15:41 ` [PATCH 0/8] arm64: Support FIQ controller registration Hector Martin 2021-02-19 15:41 ` Hector Martin 2021-02-19 16:13 ` Mark Rutland 2021-02-19 16:13 ` Mark Rutland 2021-02-19 18:10 ` Marc Zyngier 2021-02-19 18:10 ` Marc Zyngier 2021-02-24 14:06 ` Mark Rutland 2021-02-24 14:06 ` Mark Rutland 2021-02-24 14:32 ` Marc Zyngier 2021-02-24 14:32 ` Marc Zyngier
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