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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Elliot Berman <quic_eberman@quicinc.com>
Cc: Trilok Soni <quic_tsoni@quicinc.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Bjorn Andersson <quic_bjorande@quicinc.com>,
	Murali Nalajala <quic_mnalajal@quicinc.com>,
	Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>,
	Carl van Schaik <quic_cvanscha@quicinc.com>,
	Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>,
	Andy Gross <agross@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Jassi Brar <jassisinghbrar@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Jonathan Corbet <corbet@lwn.net>, Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Amol Maheshwari <amahesh@qti.qualcomm.com>,
	Kalle Valo <kvalo@kernel.org>,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 13/21] gunyah: vm_mgr: Introduce basic VM Manager
Date: Fri, 11 Nov 2022 07:24:13 +0100	[thread overview]
Message-ID: <Y23qjcMmerVuKFdj@kroah.com> (raw)
In-Reply-To: <543d95f8-be31-7553-4700-5dc04872e8ea@quicinc.com>

On Thu, Nov 10, 2022 at 04:03:10PM -0800, Elliot Berman wrote:
> > Agree, tools can be updated and that is the easy part as we grow the s/w
> > stack around Gunyah in userspace, like we already do w/ CrosVM (Virtual
> > Machine Manager) and QEMU will be next followed by rust-vmm. All of them
> > can be done without Gunyah ioctls relying anything on the KVM ioctls.
> > Elliot has also explained very well that we don't to go to KVM
> > maintainers for any of our additions and we also don't want them to come
> > to us, since there is no interoperability testing. It is best that both
> > Hypervisors and their Linux interfaces evolve independently.
> 
> Are above explanations reasonable to not re-use KVM ioctl numbers?

Try getting close at least, where possible please.  As your ioctl
numbers didn't even start at 0, it's a bit odd...

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Elliot Berman <quic_eberman@quicinc.com>
Cc: Trilok Soni <quic_tsoni@quicinc.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Bjorn Andersson <quic_bjorande@quicinc.com>,
	Murali Nalajala <quic_mnalajal@quicinc.com>,
	Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>,
	Carl van Schaik <quic_cvanscha@quicinc.com>,
	Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>,
	Andy Gross <agross@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Jassi Brar <jassisinghbrar@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Jonathan Corbet <corbet@lwn.net>, Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Amol Maheshwari <amahesh@qti.qualcomm.com>,
	Kalle Valo <kvalo@kernel.org>,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 13/21] gunyah: vm_mgr: Introduce basic VM Manager
Date: Fri, 11 Nov 2022 07:24:13 +0100	[thread overview]
Message-ID: <Y23qjcMmerVuKFdj@kroah.com> (raw)
In-Reply-To: <543d95f8-be31-7553-4700-5dc04872e8ea@quicinc.com>

On Thu, Nov 10, 2022 at 04:03:10PM -0800, Elliot Berman wrote:
> > Agree, tools can be updated and that is the easy part as we grow the s/w
> > stack around Gunyah in userspace, like we already do w/ CrosVM (Virtual
> > Machine Manager) and QEMU will be next followed by rust-vmm. All of them
> > can be done without Gunyah ioctls relying anything on the KVM ioctls.
> > Elliot has also explained very well that we don't to go to KVM
> > maintainers for any of our additions and we also don't want them to come
> > to us, since there is no interoperability testing. It is best that both
> > Hypervisors and their Linux interfaces evolve independently.
> 
> Are above explanations reasonable to not re-use KVM ioctl numbers?

Try getting close at least, where possible please.  As your ioctl
numbers didn't even start at 0, it's a bit odd...

thanks,

greg k-h

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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-11-11  6:28 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-26 18:58 [PATCH v6 00/21] Drivers for gunyah hypervisor Elliot Berman
2022-10-26 18:58 ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 01/21] docs: gunyah: Introduce Gunyah Hypervisor Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-11-02 12:35   ` Bagas Sanjaya
2022-11-02 12:35     ` Bagas Sanjaya
2022-10-26 18:58 ` [PATCH v6 02/21] dt-bindings: Add binding for gunyah hypervisor Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-27 19:57   ` Krzysztof Kozlowski
2022-10-27 19:57     ` Krzysztof Kozlowski
2022-10-28  2:33   ` Jassi Brar
2022-10-28  2:33     ` Jassi Brar
2022-11-01  3:19     ` Elliot Berman
2022-11-01  3:19       ` Elliot Berman
2022-11-01 16:23       ` Jassi Brar
2022-11-01 16:23         ` Jassi Brar
2022-11-01 20:35         ` Elliot Berman
2022-11-01 20:35           ` Elliot Berman
2022-11-01 21:58           ` Jassi Brar
2022-11-01 21:58             ` Jassi Brar
2022-11-02  0:12             ` Elliot Berman
2022-11-02  0:12               ` Elliot Berman
2022-11-02  2:01               ` Jassi Brar
2022-11-02  2:01                 ` Jassi Brar
2022-11-02 18:05                 ` Elliot Berman
2022-11-02 18:05                   ` Elliot Berman
2022-11-02 18:24                   ` Jassi Brar
2022-11-02 18:24                     ` Jassi Brar
2022-11-02 23:23                     ` Elliot Berman
2022-11-02 23:23                       ` Elliot Berman
2022-11-03  3:21                       ` Jassi Brar
2022-11-03  3:21                         ` Jassi Brar
2022-11-03 19:45                         ` Elliot Berman
2022-11-03 19:45                           ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 03/21] gunyah: Common types and error codes for Gunyah hypercalls Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 19:47   ` Dmitry Baryshkov
2022-10-26 19:47     ` Dmitry Baryshkov
2022-10-26 18:58 ` [PATCH v6 04/21] arm64: smccc: Include alternative-macros.h Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 19:46   ` Dmitry Baryshkov
2022-10-26 19:46     ` Dmitry Baryshkov
2022-10-26 20:23     ` Elliot Berman
2022-10-26 20:23       ` Elliot Berman
2022-10-26 20:39       ` Dmitry Baryshkov
2022-10-26 20:39         ` Dmitry Baryshkov
2022-10-26 18:58 ` [PATCH v6 05/21] virt: gunyah: Add hypercalls to identify Gunyah Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 06/21] virt: gunyah: Identify hypervisor version Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 07/21] mailbox: Allow direct registration to a channel Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 08/21] virt: gunyah: msgq: Add hypercalls to send and receive messages Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 09/21] mailbox: Add Gunyah message queue mailbox Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-27 13:55   ` Pavan Kondeti
2022-10-27 13:55     ` Pavan Kondeti
2022-11-01 17:44     ` Elliot Berman
2022-11-01 17:44       ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 10/21] gunyah: rsc_mgr: Add resource manager RPC core Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-11-01 18:02   ` Greg Kroah-Hartman
2022-11-01 18:02     ` Greg Kroah-Hartman
2022-11-02  0:12     ` Elliot Berman
2022-11-02  0:12       ` Elliot Berman
2022-11-02  2:53       ` Greg Kroah-Hartman
2022-11-02  2:53         ` Greg Kroah-Hartman
2022-11-02 18:04         ` Elliot Berman
2022-11-02 18:04           ` Elliot Berman
2022-11-03  0:22           ` Greg Kroah-Hartman
2022-11-03  0:22             ` Greg Kroah-Hartman
2022-11-03 22:07             ` Elliot Berman
2022-11-03 22:07               ` Elliot Berman
2022-11-03 22:09             ` Elliot Berman
2022-11-03 22:09               ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 11/21] gunyah: rsc_mgr: Add subdevices bus Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 12/21] gunyah: rsc_mgr: Add VM lifecycle RPC Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 13/21] gunyah: vm_mgr: Introduce basic VM Manager Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-11-02  5:14   ` Greg Kroah-Hartman
2022-11-02  5:14     ` Greg Kroah-Hartman
2022-11-02 18:45     ` Elliot Berman
2022-11-02 18:45       ` Elliot Berman
2022-11-03  0:24       ` Greg Kroah-Hartman
2022-11-03  0:24         ` Greg Kroah-Hartman
2022-11-04  0:11         ` Elliot Berman
2022-11-04  0:11           ` Elliot Berman
2022-11-04  8:10           ` Arnd Bergmann
2022-11-04  8:10             ` Arnd Bergmann
2022-11-04 22:38             ` Elliot Berman
2022-11-04 22:38               ` Elliot Berman
2022-11-05  4:19               ` Trilok Soni
2022-11-05  4:19                 ` Trilok Soni
2022-11-11  0:03                 ` Elliot Berman
2022-11-11  0:03                   ` Elliot Berman
2022-11-11  6:24                   ` Greg Kroah-Hartman [this message]
2022-11-11  6:24                     ` Greg Kroah-Hartman
2022-11-11 17:08                     ` Elliot Berman
2022-11-11 17:08                       ` Elliot Berman
2022-11-02  7:31   ` Arnd Bergmann
2022-11-02  7:31     ` Arnd Bergmann
2022-11-02 18:44     ` Elliot Berman
2022-11-02 18:44       ` Elliot Berman
2022-11-03  0:20       ` Greg Kroah-Hartman
2022-11-03  0:20         ` Greg Kroah-Hartman
2022-11-03 22:33         ` Elliot Berman
2022-11-03 22:33           ` Elliot Berman
2022-11-03  9:39       ` Arnd Bergmann
2022-11-03  9:39         ` Arnd Bergmann
2022-11-03 22:10         ` Elliot Berman
2022-11-03 22:10           ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 14/21] gunyah: rsc_mgr: Add RPC for sharing memory Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 15/21] gunyah: vm_mgr: Add/remove user memory regions Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 16/21] gunyah: vm_mgr: Add ioctls to support basic non-proxy VM boot Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 17/21] samples: Add sample userspace Gunyah VM Manager Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 18/21] gunyah: rsc_mgr: Add platform ops on mem_lend/mem_reclaim Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 19/21] firmware: qcom_scm: Use fixed width src vm bitmap Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 18:58 ` [PATCH v6 20/21] firmware: qcom_scm: Register Gunyah platform ops Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-10-26 21:32   ` kernel test robot
2022-10-26 18:58 ` [PATCH v6 21/21] docs: gunyah: Document Gunyah VM Manager Elliot Berman
2022-10-26 18:58   ` Elliot Berman
2022-11-02 13:05   ` Bagas Sanjaya
2022-11-02 13:05     ` Bagas Sanjaya
2022-11-02 18:04     ` Elliot Berman
2022-11-02 18:04       ` Elliot Berman

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