add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/arch/x86/kernel/irq.c
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@@ -4,6 +4,7 @@
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  */
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 #include <linux/cpu.h>
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 #include <linux/interrupt.h>
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+#include <linux/irq_pipeline.h>
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 #include <linux/kernel_stat.h>
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 #include <linux/of.h>
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 #include <linux/seq_file.h>
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@@ -48,7 +49,7 @@
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 	 * completely.
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 	 * But only ack when the APIC is enabled -AK
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 	 */
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-	ack_APIC_irq();
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+	__ack_APIC_irq();
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 }
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 #define irq_stats(x)		(&per_cpu(irq_stat, x))
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@@ -235,8 +236,11 @@
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 /*
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  * common_interrupt() handles all normal device IRQ's (the special SMP
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  * cross-CPU interrupts have their own entry points).
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+ *
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+ * Compiled out if CONFIG_IRQ_PIPELINE is enabled, replaced by
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+ * arch_handle_irq().
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  */
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-DEFINE_IDTENTRY_IRQ(common_interrupt)
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+DEFINE_IDTENTRY_IRQ_PIPELINED(common_interrupt)
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 {
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 	struct pt_regs *old_regs = set_irq_regs(regs);
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 	struct irq_desc *desc;
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@@ -268,7 +272,8 @@
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 /*
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  * Handler for X86_PLATFORM_IPI_VECTOR.
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  */
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-DEFINE_IDTENTRY_SYSVEC(sysvec_x86_platform_ipi)
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+DEFINE_IDTENTRY_SYSVEC_PIPELINED(X86_PLATFORM_IPI_VECTOR,
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+				 sysvec_x86_platform_ipi)
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 {
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 	struct pt_regs *old_regs = set_irq_regs(regs);
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@@ -300,7 +305,8 @@
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 /*
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  * Handler for POSTED_INTERRUPT_VECTOR.
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  */
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-DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_ipi)
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+DEFINE_IDTENTRY_SYSVEC_SIMPLE_PIPELINED(POSTED_INTR_VECTOR,
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+					sysvec_kvm_posted_intr_ipi)
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 {
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 	ack_APIC_irq();
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 	inc_irq_stat(kvm_posted_intr_ipis);
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@@ -309,7 +315,8 @@
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 /*
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  * Handler for POSTED_INTERRUPT_WAKEUP_VECTOR.
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  */
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-DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_posted_intr_wakeup_ipi)
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+DEFINE_IDTENTRY_SYSVEC_PIPELINED(POSTED_INTR_WAKEUP_VECTOR,
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+				 sysvec_kvm_posted_intr_wakeup_ipi)
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 {
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 	ack_APIC_irq();
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 	inc_irq_stat(kvm_posted_intr_wakeup_ipis);
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@@ -319,7 +326,8 @@
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 /*
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  * Handler for POSTED_INTERRUPT_NESTED_VECTOR.
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  */
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-DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_nested_ipi)
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+DEFINE_IDTENTRY_SYSVEC_SIMPLE_PIPELINED(POSTED_INTR_NESTED_VECTOR,
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+					sysvec_kvm_posted_intr_nested_ipi)
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 {
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 	ack_APIC_irq();
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 	inc_irq_stat(kvm_posted_intr_nested_ipis);