From patchwork series 434458

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=434458

Author: Fox Snowpatch

arch/arm/kernel/machine_kexec.c

@@ -142,11 +142,8 @@ static void machine_kexec_mask_interrupts(void)
 		if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
 			chip->irq_eoi(&desc->irq_data);
 
-		if (chip->irq_mask)
-			chip->irq_mask(&desc->irq_data);
-
-		if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
-			chip->irq_disable(&desc->irq_data);
+		irq_set_status_flags(i, IRQ_DISABLE_UNLAZY);
+		irq_disable(desc);
 	}
 }
 

arch/arm64/kernel/machine_kexec.c

@@ -230,11 +230,8 @@ static void machine_kexec_mask_interrupts(void)
 		    chip->irq_eoi)
 			chip->irq_eoi(&desc->irq_data);
 
-		if (chip->irq_mask)
-			chip->irq_mask(&desc->irq_data);
-
-		if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
-			chip->irq_disable(&desc->irq_data);
+		irq_set_status_flags(i, IRQ_DISABLE_UNLAZY);
+		irq_disable(desc);
 	}
 }
 

arch/powerpc/kexec/core.c

@@ -36,11 +36,8 @@ void machine_kexec_mask_interrupts(void) {
 		if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
 			chip->irq_eoi(&desc->irq_data);
 
-		if (chip->irq_mask)
-			chip->irq_mask(&desc->irq_data);
-
-		if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
-			chip->irq_disable(&desc->irq_data);
+		irq_set_status_flags(i, IRQ_DISABLE_UNLAZY);
+		irq_disable(desc);
 	}
 }
 

arch/riscv/kernel/machine_kexec.c

@@ -129,11 +129,8 @@ static void machine_kexec_mask_interrupts(void)
 		if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
 			chip->irq_eoi(&desc->irq_data);
 
-		if (chip->irq_mask)
-			chip->irq_mask(&desc->irq_data);
-
-		if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
-			chip->irq_disable(&desc->irq_data);
+		irq_set_status_flags(i, IRQ_DISABLE_UNLAZY);
+		irq_disable(desc);
 	}
 }
 

include/linux/irq.h

@@ -600,6 +600,8 @@ enum {
 
 #define IRQ_DEFAULT_INIT_FLAGS	ARCH_IRQ_INIT_FLAGS
 
+extern void irq_disable(struct irq_desc *desc);
+
 struct irqaction;
 extern int setup_percpu_irq(unsigned int irq, struct irqaction *new);
 extern void remove_percpu_irq(unsigned int irq, struct irqaction *act);

kernel/irq/internals.h

@@ -91,7 +91,6 @@ extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
 extern void irq_shutdown(struct irq_desc *desc);
 extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
 extern void irq_enable(struct irq_desc *desc);
-extern void irq_disable(struct irq_desc *desc);
 extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
 extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
 extern void mask_irq(struct irq_desc *desc);