add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/arch/x86/kernel/apic/msi.c
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@@ -181,7 +181,8 @@
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 	.irq_retrigger		= irq_chip_retrigger_hierarchy,
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 	.irq_set_affinity	= msi_set_affinity,
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 	.flags			= IRQCHIP_SKIP_SET_WAKE |
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-				  IRQCHIP_AFFINITY_PRE_STARTUP,
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+				  IRQCHIP_AFFINITY_PRE_STARTUP |
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+				  IRQCHIP_PIPELINE_SAFE,
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 };
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 int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec,
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@@ -251,7 +252,8 @@
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 	.irq_ack		= irq_chip_ack_parent,
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 	.irq_retrigger		= irq_chip_retrigger_hierarchy,
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 	.flags			= IRQCHIP_SKIP_SET_WAKE |
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-				  IRQCHIP_AFFINITY_PRE_STARTUP,
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+				  IRQCHIP_AFFINITY_PRE_STARTUP |
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+				  IRQCHIP_PIPELINE_SAFE,
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 };
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 static struct msi_domain_info pci_msi_ir_domain_info = {
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@@ -294,7 +296,8 @@
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 	.irq_retrigger		= irq_chip_retrigger_hierarchy,
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 	.irq_write_msi_msg	= dmar_msi_write_msg,
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 	.flags			= IRQCHIP_SKIP_SET_WAKE |
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-				  IRQCHIP_AFFINITY_PRE_STARTUP,
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+				  IRQCHIP_AFFINITY_PRE_STARTUP |
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+				  IRQCHIP_PIPELINE_SAFE,
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 };
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 static int dmar_msi_init(struct irq_domain *domain,
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@@ -386,7 +389,8 @@
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 	.irq_set_affinity = msi_domain_set_affinity,
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 	.irq_retrigger = irq_chip_retrigger_hierarchy,
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 	.irq_write_msi_msg = hpet_msi_write_msg,
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-	.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_AFFINITY_PRE_STARTUP,
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+	.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_AFFINITY_PRE_STARTUP |
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+		 IRQCHIP_PIPELINE_SAFE,
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 };
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 static int hpet_msi_init(struct irq_domain *domain,