diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 12:07:28 +0200 |
| commit | 636a7598f65938e1dbacafec74c2e3acdc66bd4d (patch) | |
| tree | 958ca48ca0feb42440ed3c37625469dceae4acb5 /arch/x86/kernel/idt.c | |
| parent | b70543a0b2b680f8953b6917a83b9203b20d7abd (diff) | |
x86/idt: Move APIC gate initialization to tables
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>
Diffstat (limited to 'arch/x86/kernel/idt.c')
| -rw-r--r-- | arch/x86/kernel/idt.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index 14d9eb29763c..4327104f5af8 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -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 @@ -242,6 +282,14 @@ 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 */ void __init idt_setup_early_handler(void) |