x86/idt: Annotate alloc_intr_gate() with __init (06184325) · Commits · 戴 / test

arch/x86/kernel/idt.c

+13 −3

Original line number	Diff line number	Diff line
		@@ -51,6 +51,9 @@ struct idt_data {
		#define TSKG(_vector, _gdt) \
		G(_vector, NULL, DEFAULT_STACK, GATE_TASK, DPL0, _gdt << 3)


		static bool idt_setup_done __initdata;

		/*
		* Early traps running on the DEFAULT_STACK because the other interrupt
		* stacks work only after cpu_init().
		@@ -323,6 +326,7 @@ void __init idt_setup_apic_and_irq_gates(void)
		set_intr_gate(i, entry);
		}
		#endif
		idt_setup_done = true;
		}

		/**
		@@ -352,6 +356,7 @@ void idt_invalidate(void *addr)
		load_idt(&idt);
		}

		/* This goes away once ASYNC_PF is sanitized */
		void __init update_intr_gate(unsigned int n, const void *addr)
		{
		if (WARN_ON_ONCE(!test_bit(n, system_vectors)))
		@@ -359,9 +364,14 @@ void __init update_intr_gate(unsigned int n, const void *addr)
		set_intr_gate(n, addr);
		}

		void alloc_intr_gate(unsigned int n, const void *addr)
		void __init alloc_intr_gate(unsigned int n, const void *addr)
		{
		BUG_ON(n < FIRST_SYSTEM_VECTOR);
		if (!test_and_set_bit(n, system_vectors))
		if (WARN_ON(n < FIRST_SYSTEM_VECTOR))
		return;

		if (WARN_ON(idt_setup_done))
		return;

		if (!WARN_ON(test_and_set_bit(n, system_vectors)))
		set_intr_gate(n, addr);
		}