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Message-ID: <CAAhSdy35BTE8YwxKb+1YwE3eHDfRytt71fU4014zYjwyXYn5qw@mail.gmail.com>
Date: Fri, 5 Sep 2025 12:21:46 +0530
From: Anup Patel <anup@...infault.org>
To: guoren@...nel.org
Cc: troy.mitchell@...ux.dev, alex@...ti.fr, aou@...s.berkeley.edu,
atish.patra@...ux.dev, fangyu.yu@...ux.alibaba.com, guoren@...ux.alibaba.com,
kvm-riscv@...ts.infradead.org, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
palmer@...belt.com, paul.walmsley@...ive.com
Subject: Re: [PATCH V4 RESEND 0/3] Fixup & optimize hgatp mode & vmid detect functions
On Thu, Aug 21, 2025 at 7:56 PM <guoren@...nel.org> wrote:
>
> From: "Guo Ren (Alibaba DAMO Academy)" <guoren@...nel.org>
>
> Here are serval fixup & optmizitions for hgatp detect according
> to the RISC-V Privileged Architecture Spec.
>
> ---
> Changes in v4:
> - Involve ("RISC-V: KVM: Prevent HGATP_MODE_BARE passed"), which
> explain why gstage_mode_detect needs reset HGATP to zero.
> - RESEND for wrong mailing thread.
>
> Changes in v3:
> - Add "Fixes" tag.
> - Involve("RISC-V: KVM: Remove unnecessary HGATP csr_read"), which
> depends on patch 1.
>
> Changes in v2:
> - Fixed build error since kvm_riscv_gstage_mode() has been modified.
> ---
>
> Fangyu Yu (1):
> RISC-V: KVM: Write hgatp register with valid mode bits
>
> Guo Ren (Alibaba DAMO Academy) (2):
> RISC-V: KVM: Remove unnecessary HGATP csr_read
> RISC-V: KVM: Prevent HGATP_MODE_BARE passed
>
> arch/riscv/kvm/gstage.c | 27 ++++++++++++++++++++++++---
> arch/riscv/kvm/main.c | 35 +++++++++++++++++------------------
> arch/riscv/kvm/vmid.c | 8 +++-----
> 3 files changed, 44 insertions(+), 26 deletions(-)
>
> --
> 2.40.1
>
Queued this series for Linux-6.18
Regards,
Anup
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