[PATCH 0/5] Support additional AMD EILVT registers
From: Naveen N Rao (AMD)
Date: Wed Apr 01 2026 - 00:57:48 EST
Future AMD processors will be increasing the number of APIC EILVT
registers (*). This series adds support for the same along with some
related cleanups.
(*) https://docs.amd.com/v/u/en-US/69205_1.00_AMD64_IBS_PUB)
- Naveen
Naveen N Rao (AMD) (5):
x86/apic: Drop AMD Extended Interrupt LVT macros
x86/apic: Drop unused AMD EILVT macros
perf/amd/ibs: Limit the max EILVT register count for AMD family 0x10
x86/apic: Introduce a variable to track the number of EILVT registers
x86/apic: Drop APIC_EILVT_NR_MAX and switch to using apic_eilvt_count
arch/x86/include/asm/apic.h | 2 ++
arch/x86/include/asm/apicdef.h | 9 +--------
arch/x86/events/amd/ibs.c | 10 +++++-----
arch/x86/kernel/apic/apic.c | 33 +++++++++++++++++++++++++--------
arch/x86/kernel/cpu/mce/amd.c | 6 +++---
5 files changed, 36 insertions(+), 24 deletions(-)
base-commit: cf112712c193e837225d740ec3e139774f2496f2
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2.53.0