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authorMarc Zyngier <maz@kernel.org>2021-10-28 13:34:52 +0100
committerMarc Zyngier <maz@kernel.org>2021-10-28 13:34:52 +0100
commitc6dca712f6bba1b5181eada19c17aeb24e1f18e5 (patch)
tree849f4279cbe3edfbb6d12471ff59a0c1d678b09e /drivers/irqchip/irq-nvic.c
parente6a767a1757d79e7077707c544aa7257f2073908 (diff)
parent34fca8947b2743e6a3a9a8a3a44962e625993533 (diff)
Merge branch irq/remove-handle-domain-irq-20211026 into irq/irqchip-next
* irq/remove-handle-domain-irq-20211026: : Large rework of the architecture entry code from Mark Rutland. : From the cover letter: : : <quote> : The handle_domain_{irq,nmi}() functions were oringally intended as a : convenience, but recent rework to entry code across the kernel tree has : demonstrated that they cause more pain than they're worth and prevent : architectures from being able to write robust entry code. : : This series reworks the irq code to remove them, handling the necessary : entry work consistently in entry code (be it architectural or generic). : </quote> MIPS: irq: Avoid an unused-variable error irq: remove handle_domain_{irq,nmi}() irq: remove CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY irq: riscv: perform irqentry in entry code irq: openrisc: perform irqentry in entry code irq: csky: perform irqentry in entry code irq: arm64: perform irqentry in entry code irq: arm: perform irqentry in entry code irq: add a (temporary) CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY irq: nds32: avoid CONFIG_HANDLE_DOMAIN_IRQ irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ irq: add generic_handle_arch_irq() irq: unexport handle_irq_desc() irq: simplify handle_domain_{irq,nmi}() irq: mips: simplify do_domain_IRQ() irq: mips: stop (ab)using handle_domain_irq() irq: mips: simplify bcm6345_l1_irq_handle() irq: mips: avoid nested irq_enter() Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'drivers/irqchip/irq-nvic.c')
-rw-r--r--drivers/irqchip/irq-nvic.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c
index b31c4cff4d3a..63bac3f78863 100644
--- a/drivers/irqchip/irq-nvic.c
+++ b/drivers/irqchip/irq-nvic.c
@@ -37,10 +37,25 @@
static struct irq_domain *nvic_irq_domain;
+static void __nvic_handle_irq(irq_hw_number_t hwirq)
+{
+ generic_handle_domain_irq(nvic_irq_domain, hwirq);
+}
+
+/*
+ * TODO: restructure the ARMv7M entry logic so that this entry logic can live
+ * in arch code.
+ */
asmlinkage void __exception_irq_entry
nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs)
{
- handle_domain_irq(nvic_irq_domain, hwirq, regs);
+ struct pt_regs *old_regs;
+
+ irq_enter();
+ old_regs = set_irq_regs(regs);
+ __nvic_handle_irq(hwirq);
+ set_irq_regs(old_regs);
+ irq_exit();
}
static int nvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,