linux-kernel - [PATCH v2 0/7] LoongArch: KVM: Enhancement about eiointc emulation

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Message-Id: <20250603094606.1053622-1-maobibo@loongson.cn>
Date: Tue,  3 Jun 2025 17:45:59 +0800
From: Bibo Mao <maobibo@...ngson.cn>
To: Tianrui Zhao <zhaotianrui@...ngson.cn>,
	Huacai Chen <chenhuacai@...nel.org>,
	Xianglai Li <lixianglai@...ngson.cn>
Cc: kvm@...r.kernel.org,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/7] LoongArch: KVM: Enhancement about eiointc emulation

This series fix four issues about kernel eiointc emulation list as
follows:
  1. The first patch fixes type forced assignment issue.
  2. The second patch fixes interrupt route with physical cpu.
  3. The third patch disables update property num_cpu and feature
  4. The fourth patch adds validation check about num_cpu from user
     space.

Also there is code cleanup with kernel eiointc emulation.

---
v1 ... v2:
  1. Add extra fix in patch 3 and patch 4, add num_cpu validation check
  2. Name of stat information keeps unchanged, only move it from VM stat
     to vCPU stat.
---
Bibo Mao (7):
  LoongArch: KVM: Fix interrupt route update with eiointc
  LoongArch: KVM: Check interrupt route from physical cpu with eiointc
  LoongArch: KVM: Disable update property num_cpu and feature with
    eiointc
  LoongArch: KVM: Check validation of num_cpu from user space
  LoongArch: KVM: Use standard bitops API with eiointc
  LoongArch: KVM: Remove unused parameter len
  LoongArch: KVM: Add stat information with kernel irqchip

 arch/loongarch/include/asm/kvm_host.h |  12 +--
 arch/loongarch/kvm/intc/eiointc.c     | 129 ++++++++++++++++----------
 arch/loongarch/kvm/intc/ipi.c         |  28 +-----
 arch/loongarch/kvm/intc/pch_pic.c     |   4 +-
 arch/loongarch/kvm/vcpu.c             |   8 +-
 5 files changed, 97 insertions(+), 84 deletions(-)


base-commit: fe4281644c62ce9385d3b9165e27d6c86ae0a845
-- 
2.39.3