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x86/idt: Move APIC gate initialization to tables

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Replace the APIC/SMP vector gate initialization with the table based
mechanism.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064959.260177013@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner
2017-08-28 08:47:54 +02:00
committed by Ingo Molnar
parent b70543a0b2
commit 636a7598f6
3 changed files with 50 additions and 68 deletions
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48
arch/x86/kernel/idt.c
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@@ -103,6 +103,46 @@ static const __initdata struct idt_data def_idts[] = {
#endif
};
/*
* The APIC and SMP idt entries
*/
static const __initdata struct idt_data apic_idts[] = {
#ifdef CONFIG_SMP
INTG(RESCHEDULE_VECTOR, reschedule_interrupt),
INTG(CALL_FUNCTION_VECTOR, call_function_interrupt),
INTG(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt),
INTG(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt),
INTG(REBOOT_VECTOR, reboot_interrupt),
#endif
#ifdef CONFIG_X86_THERMAL_VECTOR
INTG(THERMAL_APIC_VECTOR, thermal_interrupt),
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
INTG(THRESHOLD_APIC_VECTOR, threshold_interrupt),
#endif
#ifdef CONFIG_X86_MCE_AMD
INTG(DEFERRED_ERROR_VECTOR, deferred_error_interrupt),
#endif
#ifdef CONFIG_X86_LOCAL_APIC
INTG(LOCAL_TIMER_VECTOR, apic_timer_interrupt),
INTG(X86_PLATFORM_IPI_VECTOR, x86_platform_ipi),
# ifdef CONFIG_HAVE_KVM
INTG(POSTED_INTR_VECTOR, kvm_posted_intr_ipi),
INTG(POSTED_INTR_WAKEUP_VECTOR, kvm_posted_intr_wakeup_ipi),
INTG(POSTED_INTR_NESTED_VECTOR, kvm_posted_intr_nested_ipi),
# endif
# ifdef CONFIG_IRQ_WORK
INTG(IRQ_WORK_VECTOR, irq_work_interrupt),
# endif
INTG(SPURIOUS_APIC_VECTOR, spurious_interrupt),
INTG(ERROR_APIC_VECTOR, error_interrupt),
#endif
};
#ifdef CONFIG_X86_64
/*
* Early traps running on the DEFAULT_STACK because the other interrupt
@@ -241,6 +281,14 @@ void __init idt_setup_debugidt_traps(void)
}
#endif
/**
* idt_setup_apic_and_irq_gates - Setup APIC/SMP and normal interrupt gates
*/
void __init idt_setup_apic_and_irq_gates(void)
{
idt_setup_from_table(idt_table, apic_idts, ARRAY_SIZE(apic_idts));
}
/**
* idt_setup_early_handler - Initializes the idt table with early handlers
*/