linux-kernel - [GIT PULL] LoongArch KVM changes for v6.18

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Message-ID: <20250924081305.3068787-1-chenhuacai@loongson.cn>
Date: Wed, 24 Sep 2025 16:13:05 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Paolo Bonzini <pbonzini@...hat.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	Tianrui Zhao <zhaotianrui@...ngson.cn>,
	Bibo Mao <maobibo@...ngson.cn>
Cc: kvm@...r.kernel.org,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Xuerui Wang <kernel@...0n.name>,
	Jiaxun Yang <jiaxun.yang@...goat.com>,
	Huacai Chen <chenhuacai@...ngson.cn>
Subject: [GIT PULL] LoongArch KVM changes for v6.18

The following changes since commit 07e27ad16399afcd693be20211b0dfae63e0615f:

  Linux 6.17-rc7 (2025-09-21 15:08:52 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-kvm-6.18

for you to fetch changes up to 66e2d96b1c5875122bfb94239989d832ccf51477:

  LoongArch: KVM: Move kvm_iocsr tracepoint out of generic code (2025-09-23 23:37:26 +0800)

----------------------------------------------------------------
LoongArch KVM changes for v6.18

1. Add PTW feature detection on new hardware.
2. Add sign extension with kernel MMIO/IOCSR emulation.
3. Improve in-kernel IPI emulation.
4. Improve in-kernel PCH-PIC emulation.
5. Move kvm_iocsr tracepoint out of generic code.

----------------------------------------------------------------
Bibo Mao (9):
      LoongArch: KVM: Add PTW feature detection on new hardware
      LoongArch: KVM: Add sign extension with kernel MMIO read emulation
      LoongArch: KVM: Add sign extension with kernel IOCSR read emulation
      LoongArch: KVM: Add implementation with IOCSR_IPI_SET
      LoongArch: KVM: Access mailbox directly in mail_send()
      LoongArch: KVM: Set version information at initial stage
      LoongArch: KVM: Add IRR and ISR register read emulation
      LoongArch: KVM: Add different length support in loongarch_pch_pic_read()
      LoongArch: KVM: Add different length support in loongarch_pch_pic_write()

Steven Rostedt (1):
      LoongArch: KVM: Move kvm_iocsr tracepoint out of generic code

Yury Norov (NVIDIA) (1):
      LoongArch: KVM: Rework pch_pic_update_batch_irqs()

 arch/loongarch/include/asm/kvm_pch_pic.h |  15 +-
 arch/loongarch/include/uapi/asm/kvm.h    |   1 +
 arch/loongarch/kvm/exit.c                |  19 +--
 arch/loongarch/kvm/intc/ipi.c            |  80 ++++++-----
 arch/loongarch/kvm/intc/pch_pic.c        | 239 +++++++++++++------------------
 arch/loongarch/kvm/trace.h               |  35 +++++
 arch/loongarch/kvm/vcpu.c                |   2 +
 arch/loongarch/kvm/vm.c                  |   4 +
 include/trace/events/kvm.h               |  35 -----
 9 files changed, 211 insertions(+), 219 deletions(-)