linux-kernel - Re: [PATCH 5.10 154/290] PCI/LINK: Remove bandwidth notification

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Date:   Tue, 16 Mar 2021 11:05:01 +0100
From:   Pavel Machek <pavel@...x.de>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.10 154/290] PCI/LINK: Remove bandwidth notification

Hi!

> From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> From: Bjorn Helgaas <bhelgaas@...gle.com>

Dup.

> Remove the bandwidth change notifications for now.  Hopefully we can add
> this back when we have a better understanding of why this happens and how
> we can make the messages useful instead of overwhelming.

This is stable, and even for mainline, I'd expect "depends on BROKEN"
in Kconfig, or something like that, so people can still work on fixing
it and so that we don't have huge changes floating around.

Best regards,
								Pavel
								
> diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
> index 3946555a6042..45a2ef702b45 100644
> --- a/drivers/pci/pcie/Kconfig
> +++ b/drivers/pci/pcie/Kconfig
> @@ -133,14 +133,6 @@ config PCIE_PTM
>  	  This is only useful if you have devices that support PTM, but it
>  	  is safe to enable even if you don't.
>  
> -config PCIE_BW
> -	bool "PCI Express Bandwidth Change Notification"
> -	depends on PCIEPORTBUS
> -	help
> -	  This enables PCI Express Bandwidth Change Notification.  If
> -	  you know link width or rate changes occur only to correct
> -	  unreliable links, you may answer Y.

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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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