diff options
| author |   H. Peter Anvin (Intel) <hpa@zytor.com> | 2021-05-19 14:21:49 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2021-05-21 12:36:44 +0200 |
| commit | f1b7d45d3f8f3e18e190e71cb54d4b1917300d1d (patch) | |
| tree | 8dcace42f7a4cbf328695dcfb0cecb2e0a25b58a /tools/arch | |
| parent | Linux 5.13-rc2 (diff) | |
| download | linux-dev-f1b7d45d3f8f3e18e190e71cb54d4b1917300d1d.tar.xz linux-dev-f1b7d45d3f8f3e18e190e71cb54d4b1917300d1d.zip | |
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) <hpa@zytor.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lore.kernel.org/r/20210519212154.511983-4-hpa@zytor.com
Diffstat (limited to 'tools/arch')
| -rw-r--r-- | tools/arch/x86/include/asm/irq_vectors.h | 4 |
1 files changed, 2 insertions, 2 deletions
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 */ |