All of lore.kernel.org
 help / color / mirror / Atom feed
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>

-- 
kvm-riscv mailing list
kvm-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kvm-riscv

WARNING: multiple messages have this Message-ID (diff)
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>

WARNING: multiple messages have this Message-ID (diff)
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>

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2026-05-05 20:12 UTC|newest]

Thread overview: 27+ 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 ` guoren
2026-04-25  0:59 ` 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   ` guoren
2026-04-25  0:59   ` 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   ` guoren
2026-04-25  0:59   ` guoren
2026-04-25  0:59 ` [PATCH V2 3/4] irqchip/riscv-imsic: Move nr_guest_files to per-HART local config guoren
2026-04-25  0:59   ` guoren
2026-04-25  0:59   ` guoren
2026-05-05 20:12   ` Thomas Gleixner [this message]
2026-05-05 20:12     ` Thomas Gleixner
2026-05-05 20:12     ` Thomas Gleixner
2026-05-07 10:04     ` Guo Ren
2026-05-07 10:04       ` Guo Ren
2026-05-07 10:04       ` Guo Ren
2026-05-07 12:01     ` Anup Patel
2026-05-07 12:01       ` Anup Patel
2026-05-07 12:01       ` Anup Patel
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  0:59   ` guoren
2026-04-25  0:59   ` 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
2026-04-25  1:06   ` guoren
2026-04-25  1:06   ` guoren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87wlxhwr8v.ffs@tglx \
    --to=tglx@kernel.org \
    --cc=alex@ghiti.fr \
    --cc=anup@brainfault.org \
    --cc=aou@eecs.berkeley.edu \
    --cc=atish.patra@linux.dev \
    --cc=cp0613@linux.alibaba.com \
    --cc=fangyu.yu@linux.alibaba.com \
    --cc=gaohan@iscas.ac.cn \
    --cc=guoren@kernel.org \
    --cc=inochiama@gmail.com \
    --cc=kvm-riscv@lists.infradead.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=me@ziyao.cc \
    --cc=palmer@dabbelt.com \
    --cc=pjw@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.