From: Greg KH <gregkh@linuxfoundation.org>
To: joaopeixoto@osyx.tech
Cc: linux-kernel@vger.kernel.org, ajd@linux.ibm.com, alex@ghiti.fr,
aou@eecs.berkeley.edu, bagasdotme@gmail.com,
catalin.marinas@arm.com, conor+dt@kernel.org, corbet@lwn.net,
dan.j.williams@intel.com, davidmcerdeira@osyx.tech,
devicetree@vger.kernel.org, dev@kael-k.io, haren@linux.ibm.com,
heiko@sntech.de, jose@osyx.tech, kever.yang@rock-chips.com,
krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org,
linux@armlinux.org.uk, linux-doc@vger.kernel.org,
linux-riscv@lists.infradead.org, maddy@linux.ibm.com,
mani@kernel.org, nathan@kernel.org, neil.armstrong@linaro.org,
palmer@dabbelt.com, pjw@kernel.org,
prabhakar.mahadev-lad.rj@bp.renesas.com, robh@kernel.org,
will@kernel.org
Subject: Re: [PATCH 2/5] virt: add Bao IPC shared memory driver
Date: Wed, 24 Dec 2025 16:54:40 +0100 [thread overview]
Message-ID: <2025122401-drainer-pedigree-45ae@gregkh> (raw)
In-Reply-To: <20251224135217.25350-3-joaopeixoto@osyx.tech>
On Wed, Dec 24, 2025 at 01:52:14PM +0000, joaopeixoto@osyx.tech wrote:
> +struct class *cl;
Why not just use the misc device api instead? No need for a full class
for just one char device, right? Or even if you have multiple ones,
again, no need for a whole class. That should make the code much
simpler overall.
thanks,
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: joaopeixoto@osyx.tech
Cc: linux-kernel@vger.kernel.org, ajd@linux.ibm.com, alex@ghiti.fr,
aou@eecs.berkeley.edu, bagasdotme@gmail.com,
catalin.marinas@arm.com, conor+dt@kernel.org, corbet@lwn.net,
dan.j.williams@intel.com, davidmcerdeira@osyx.tech,
devicetree@vger.kernel.org, dev@kael-k.io, haren@linux.ibm.com,
heiko@sntech.de, jose@osyx.tech, kever.yang@rock-chips.com,
krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org,
linux@armlinux.org.uk, linux-doc@vger.kernel.org,
linux-riscv@lists.infradead.org, maddy@linux.ibm.com,
mani@kernel.org, nathan@kernel.org, neil.armstrong@linaro.org,
palmer@dabbelt.com, pjw@kernel.org,
prabhakar.mahadev-lad.rj@bp.renesas.com, robh@kernel.org,
will@kernel.org
Subject: Re: [PATCH 2/5] virt: add Bao IPC shared memory driver
Date: Wed, 24 Dec 2025 16:54:40 +0100 [thread overview]
Message-ID: <2025122401-drainer-pedigree-45ae@gregkh> (raw)
In-Reply-To: <20251224135217.25350-3-joaopeixoto@osyx.tech>
On Wed, Dec 24, 2025 at 01:52:14PM +0000, joaopeixoto@osyx.tech wrote:
> +struct class *cl;
Why not just use the misc device api instead? No need for a full class
for just one char device, right? Or even if you have multiple ones,
again, no need for a whole class. That should make the code much
simpler overall.
thanks,
greg k-h
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next prev parent reply other threads:[~2025-12-24 15:55 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-24 13:52 [PATCH 0/5] virt: Add Bao hypervisor IPC and I/O dispatcher drivers joaopeixoto
2025-12-24 13:52 ` joaopeixoto
2025-12-24 13:52 ` [PATCH 1/5] dt-bindings: Add Bao IPC shared memory driver binding joaopeixoto
2025-12-24 13:52 ` joaopeixoto
2025-12-24 16:18 ` Rob Herring (Arm)
2025-12-24 16:18 ` Rob Herring (Arm)
2025-12-25 8:57 ` Krzysztof Kozlowski
2025-12-25 8:57 ` Krzysztof Kozlowski
2025-12-24 13:52 ` [PATCH 2/5] virt: add Bao IPC shared memory driver joaopeixoto
2025-12-24 13:52 ` joaopeixoto
2025-12-24 15:53 ` Greg KH
2025-12-24 15:53 ` Greg KH
2025-12-24 15:54 ` Greg KH [this message]
2025-12-24 15:54 ` Greg KH
2025-12-25 9:02 ` Krzysztof Kozlowski
2025-12-25 9:02 ` Krzysztof Kozlowski
2025-12-24 13:52 ` [PATCH 3/5] dt-bindings: Add Bao I/O dispatcher driver binding joaopeixoto
2025-12-24 13:52 ` joaopeixoto
2025-12-24 16:18 ` Rob Herring (Arm)
2025-12-24 16:18 ` Rob Herring (Arm)
2025-12-25 8:58 ` Krzysztof Kozlowski
2025-12-25 8:58 ` Krzysztof Kozlowski
2025-12-24 13:52 ` [PATCH 4/5] virt: add Bao I/O dispatcher driver joaopeixoto
2025-12-25 9:12 ` Krzysztof Kozlowski
2025-12-25 9:12 ` Krzysztof Kozlowski
2025-12-24 13:52 ` [PATCH 5/5] MAINTAINERS: Add entries for Bao hypervisor drivers, headers, and DT bindings joaopeixoto
2025-12-24 13:52 ` joaopeixoto
2025-12-25 8:52 ` Krzysztof Kozlowski
2025-12-25 8:52 ` Krzysztof Kozlowski
2025-12-25 8:51 ` [PATCH 0/5] virt: Add Bao hypervisor IPC and I/O dispatcher drivers Krzysztof Kozlowski
2025-12-25 8:51 ` Krzysztof Kozlowski
2026-01-07 16:28 ` [PATCH v2 0/6] " joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 16:28 ` [PATCH 1/6] dt-bindings: Add Bao IPC shared memory driver binding joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 16:46 ` Krzysztof Kozlowski
2026-01-07 16:46 ` Krzysztof Kozlowski
2026-01-07 16:28 ` [PATCH 2/6] virt: bao: Add Bao IPC shared memory driver joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 18:54 ` Randy Dunlap
2026-01-07 18:54 ` Randy Dunlap
2026-01-14 20:37 ` Andrew Jones
2026-01-14 20:37 ` Andrew Jones
2026-01-07 16:28 ` [PATCH 3/6] dt-bindings: Add Bao I/O dispatcher driver binding joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 16:47 ` Krzysztof Kozlowski
2026-01-07 16:47 ` Krzysztof Kozlowski
2026-01-07 16:28 ` [PATCH 4/6] virt: bao: Add Bao I/O dispatcher driver joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-14 20:32 ` Andrew Jones
2026-01-14 20:32 ` Andrew Jones
2026-01-07 16:28 ` [PATCH 5/6] virt: bao: Move BAO_IPCSHMEM_HYPERCALL_ID to common header joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 19:36 ` Greg KH
2026-01-07 19:36 ` Greg KH
2026-01-14 20:34 ` Andrew Jones
2026-01-14 20:34 ` Andrew Jones
2026-01-07 16:28 ` [PATCH 6/6] MAINTAINERS: Add entries for Bao hypervisor drivers, headers, and DT bindings joaopeixoto
2026-01-07 16:28 ` joaopeixoto
2026-01-07 19:37 ` [PATCH v2 0/6] virt: Add Bao hypervisor IPC and I/O dispatcher drivers Greg KH
2026-01-07 19:37 ` Greg KH
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