linux-kernel - Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

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Message-ID: <Z8HtX05shTGRA4xd@lizhi-Precision-Tower-5810>
Date: Fri, 28 Feb 2025 12:07:43 -0500
From: Frank Li <Frank.li@....com>
To: Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>
Cc: Kishon Vijay Abraham I <kishon@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Anup Patel <apatel@...tanamicro.com>, Marc Zyngier <maz@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>,
	Shuah Khan <shuah@...nel.org>, Richard Zhu <hongxing.zhu@....com>,
	Lucas Stach <l.stach@...gutronix.de>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Niklas Cassel <cassel@...nel.org>, dlemoal@...nel.org,
	jdmason@...zu.us, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
	linux-kselftest@...r.kernel.org, imx@...ts.linux.dev,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform
 MSI controller

On Thu, Feb 20, 2025 at 09:42:57PM +0100, Thomas Gleixner wrote:
> On Thu, Feb 20 2025 at 15:01, Frank Li wrote:
> > On Tue, Feb 11, 2025 at 02:21:53PM -0500, Frank Li wrote:
> >
> > Thomas Gleixner and Marc Zyngier:
> >
> > 	Do you have any comments about irq/msi part?
>
> I'm not having objections, but this needs to be acked by Marc as he had
> pretty strong opinions on the overall approach.

Marc Zyngier:

	Do you have any concern about irq/msi part? Is it clean enough to
answer what your conern at previous version?

	How can we move forward? This help PCI EP side avoid software
polling status.

Frank

>
> Thanks,
>
>         tglx