[PATCH 06/15] irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ
From: Mark Rutland <mark.rutland@arm.com>
Date: 2021-10-21 18:03:21
Also in:
lkml
Subsystem:
synopsys arc architecture, the rest · Maintainers:
Vineet Gupta, Linus Torvalds
In preparation for removing HANDLE_DOMAIN_IRQ, have arch/arc perform all the necessary IRQ entry accounting in its entry code. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Thomas Gleixner <redacted> Cc: Vineet Gupta <vgupta@kernel.org> --- arch/arc/Kconfig | 1 - arch/arc/kernel/irq.c | 10 +++++++++- 2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 3a5a80f302e1..b4ae6058902a 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig@@ -40,7 +40,6 @@ config ARC select HAVE_KRETPROBES select HAVE_MOD_ARCH_SPECIFIC select HAVE_PERF_EVENTS - select HANDLE_DOMAIN_IRQ select IRQ_DOMAIN select MODULES_USE_ELF_RELA select OF
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index ef909dd4b40c..dd09b58ff82d 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c@@ -6,6 +6,8 @@ #include <linux/interrupt.h> #include <linux/irqchip.h> #include <asm/mach_desc.h> + +#include <asm/irq_regs.h> #include <asm/smp.h> /*
@@ -39,5 +41,11 @@ void __init init_IRQ(void) */ void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs) { - handle_domain_irq(NULL, hwirq, regs); + struct pt_regs *old_regs; + + irq_enter(); + old_regs = set_irq_regs(regs); + generic_handle_domain_irq(NULL, hwirq); + set_irq_regs(old_regs); + irq_exit(); }
--
2.11.0
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