From f1b7d45d3f8f3e18e190e71cb54d4b1917300d1d Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin (Intel)" Date: Wed, 19 May 2021 14:21:49 -0700 Subject: x86/irq: Remove unused vectors defines UV_BAU_MESSAGE is defined but not used anywhere in the kernel. Presumably this is a stale vector number that can be reclaimed. MCE_VECTOR is not an actual vector: #MC is an exception, not an interrupt vector, and as such is correctly described as X86_TRAP_MC. MCE_VECTOR is not used anywhere is the kernel. Note that NMI_VECTOR *is* used; specifically it is the vector number programmed into the APIC LVT when an NMI interrupt is configured. At the moment it is always numerically identical to X86_TRAP_NMI, that is not necessarily going to be the case indefinitely. Signed-off-by: H. Peter Anvin (Intel) Signed-off-by: Thomas Gleixner Acked-by: Steve Wahl Link: https://lore.kernel.org/r/20210519212154.511983-4-hpa@zytor.com --- tools/arch/x86/include/asm/irq_vectors.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools/arch') diff --git a/tools/arch/x86/include/asm/irq_vectors.h b/tools/arch/x86/include/asm/irq_vectors.h index 889f8b1b5b7f..dc71b781be42 100644 --- a/tools/arch/x86/include/asm/irq_vectors.h +++ b/tools/arch/x86/include/asm/irq_vectors.h @@ -26,8 +26,8 @@ * This file enumerates the exact layout of them: */ +/* This is used as an interrupt vector when programming the APIC. */ #define NMI_VECTOR 0x02 -#define MCE_VECTOR 0x12 /* * IDT vectors usable for external interrupt sources start at 0x20. @@ -84,7 +84,7 @@ */ #define IRQ_WORK_VECTOR 0xf6 -#define UV_BAU_MESSAGE 0xf5 +/* 0xf5 - unused, was UV_BAU_MESSAGE */ #define DEFERRED_ERROR_VECTOR 0xf4 /* Vector on which hypervisor callbacks will be delivered */ -- cgit v1.2.3-59-g8ed1b