From: Thomas Gleixner <tglx@kernel.org>
To: guoren@kernel.org, guoren@kernel.org
Cc: alex@ghiti.fr, anup@brainfault.org, aou@eecs.berkeley.edu,
atish.patra@linux.dev, cp0613@linux.alibaba.com,
fangyu.yu@linux.alibaba.com, gaohan@iscas.ac.cn,
inochiama@gmail.com, kvm-riscv@lists.infradead.org,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org, me@ziyao.cc, palmer@dabbelt.com,
pjw@kernel.org
Subject: Re: [PATCH V2 3/4] irqchip/riscv-imsic: Move nr_guest_files to per-HART local config
Date: Tue, 05 May 2026 22:12:00 +0200 [thread overview]
Message-ID: <87wlxhwr8v.ffs@tglx> (raw)
In-Reply-To: <20260425005916.3321811-4-guoren@kernel.org>
On Sat, Apr 25 2026 at 00:59, guoren@kernel.org wrote:
> From: "Guo Ren (Alibaba DAMO Academy)" <guoren@kernel.org>
>
> With the recent KVM AIA per-HART HGEI conversion, the global
> nr_guest_files is no longer appropriate. Different HARTs in
> heterogeneous SoCs may have different numbers of guest interrupt
> files.
>
> Move `nr_guest_files` from `struct imsic_global_config` to
> `struct imsic_local_config`, and compute it per-CPU in
> imsic_setup_state() based on the actual MMIO guest file region size.
>
> Update the related comment to reflect that KVM now uses the
> per-HART value.
>
> This eliminates the last global assumption about guest files and
> completes the per-HART conversion series for RISC-V AIA/IMSIC.
>
> Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
Assuming this goes through the risc-v tree:
Acked-by: Thomas Gleixner <tglx@kernel.org>
next prev parent reply other threads:[~2026-05-05 20:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-25 0:59 [PATCH V2 0/4] RISC-V: KVM: AIA: Convert HGEI management to fully per-HART guoren
2026-04-25 0:59 ` [PATCH V2 1/4] RISC-V: KVM: AIA: Make HGEI number and management fully per-CPU guoren
2026-04-25 0:59 ` [PATCH V2 2/4] RISC-V: KVM: AIA: Replace global HGEI count with simple enabled bool guoren
2026-04-25 0:59 ` [PATCH V2 3/4] irqchip/riscv-imsic: Move nr_guest_files to per-HART local config guoren
2026-05-05 20:12 ` Thomas Gleixner [this message]
2026-04-25 0:59 ` [PATCH V2 4/4] RISC-V: KVM: AIA: Use per-HART IMSIC guest files to compute final HGEI count guoren
2026-04-25 1:06 ` Re: [PATCH 3/3] irqchip/riscv-imsic: Remove global nr_guest_files after KVM AIA per-HART conversion guoren
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