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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>,
	linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	H Hartley Sweeten <hsweeten@visionengravers.com>,
	Ian Abbott <abbotti@mev.co.uk>, Jakub Kicinski <kuba@kernel.org>,
	Kevin Cernekee <cernekee@gmail.com>,
	Lukas Wunner <lukas@wunner.de>,
	Manuel Lauss <manuel.lauss@gmail.com>,
	Oliver Hartkopp <socketcan@hartkopp.net>,
	Olof Johansson <olof@lixom.net>,
	Robert Jarzmik <robert.jarzmik@free.fr>,
	YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, linux-can@vger.kernel.org,
	linux-mips@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [RFC 0/6] pcmcia: separate 16-bit support from cardbus
Date: Mon, 27 Feb 2023 20:15:40 +0000	[thread overview]
Message-ID: <Y/0PbJzvrzpvLbcW@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230227133457.431729-1-arnd@kernel.org>

On Mon, Feb 27, 2023 at 02:34:51PM +0100, Arnd Bergmann wrote:
> I don't expect this to be a problem normal laptop support, as the last
> PC models that predate Cardbus support (e.g. 1997 ThinkPad 380ED) are
> all limited to i586MMX CPUs and 80MB of RAM. This is barely enough to
> boot Tiny Core Linux but not a regular distro.

Am I understanding that the argument you're putting forward here is
"cardbus started in year X, so from year X we can ignore 16-bit
PCMCIA support" ?

Given that PCMCIA support has been present in x86 hardware at least
up to 2010, I don't see how that is any basis for making a decision
about 16-bit PCMCIA support.

Isn't the relevant factor here whether 16-bit PCMCIA cards are still
in use on hardware that can run a modern distro? (And yes, x86
machines that have 16-bit PCMCIA can still run Debian Stable today.)

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>,
	linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	H Hartley Sweeten <hsweeten@visionengravers.com>,
	Ian Abbott <abbotti@mev.co.uk>, Jakub Kicinski <kuba@kernel.org>,
	Kevin Cernekee <cernekee@gmail.com>,
	Lukas Wunner <lukas@wunner.de>,
	Manuel Lauss <manuel.lauss@gmail.com>,
	Oliver Hartkopp <socketcan@hartkopp.net>,
	Olof Johansson <olof@lixom.net>,
	Robert Jarzmik <robert.jarzmik@free.fr>,
	YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, linux-can@vger.kernel.org,
	linux-mips@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [RFC 0/6] pcmcia: separate 16-bit support from cardbus
Date: Mon, 27 Feb 2023 20:15:40 +0000	[thread overview]
Message-ID: <Y/0PbJzvrzpvLbcW@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230227133457.431729-1-arnd@kernel.org>

On Mon, Feb 27, 2023 at 02:34:51PM +0100, Arnd Bergmann wrote:
> I don't expect this to be a problem normal laptop support, as the last
> PC models that predate Cardbus support (e.g. 1997 ThinkPad 380ED) are
> all limited to i586MMX CPUs and 80MB of RAM. This is barely enough to
> boot Tiny Core Linux but not a regular distro.

Am I understanding that the argument you're putting forward here is
"cardbus started in year X, so from year X we can ignore 16-bit
PCMCIA support" ?

Given that PCMCIA support has been present in x86 hardware at least
up to 2010, I don't see how that is any basis for making a decision
about 16-bit PCMCIA support.

Isn't the relevant factor here whether 16-bit PCMCIA cards are still
in use on hardware that can run a modern distro? (And yes, x86
machines that have 16-bit PCMCIA can still run Debian Stable today.)

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

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

  parent reply	other threads:[~2023-02-27 20:16 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27 13:34 [RFC 0/6] pcmcia: separate 16-bit support from cardbus Arnd Bergmann
2023-02-27 13:34 ` Arnd Bergmann
2023-02-27 13:34 ` [RFC 1/6] pccard: remove bcm63xx socket driver Arnd Bergmann
2023-02-27 13:34   ` Arnd Bergmann
2023-02-27 21:33   ` Florian Fainelli
2023-02-27 21:33     ` Florian Fainelli
2023-03-14  8:53     ` Maxime Bizon
2023-02-27 13:34 ` [RFC 2/6] pccard: split cardbus support from pcmcia Arnd Bergmann
2023-02-27 13:34   ` Arnd Bergmann
2023-02-27 13:34 ` [RFC 3/6] yenta_socket: copy pccard core code into driver Arnd Bergmann
2023-02-27 19:02   ` kernel test robot
2023-02-27 13:34 ` [RFC 4/6] yenta_socket: remove dead code Arnd Bergmann
2023-02-27 13:34   ` Arnd Bergmann
2023-02-27 13:34 ` [RFC 5/6] pccard: drop remnants of cardbus support Arnd Bergmann
2023-02-27 13:34   ` Arnd Bergmann
2023-02-27 13:34 ` [RFC 6/6] pci: hotplug: move cardbus code from drivers/pcmcia Arnd Bergmann
2023-02-27 13:34   ` Arnd Bergmann
2023-02-27 17:19   ` kernel test robot
2023-02-27 19:07 ` [RFC 0/6] pcmcia: separate 16-bit support from cardbus Oliver Hartkopp
2023-02-27 19:07   ` Oliver Hartkopp
2023-02-27 19:53   ` Arnd Bergmann
2023-02-27 19:53     ` Arnd Bergmann
2023-02-27 20:32     ` Oliver Hartkopp
2023-02-27 20:32       ` Oliver Hartkopp
2023-02-27 20:54       ` Marc Kleine-Budde
2023-02-27 20:54         ` Marc Kleine-Budde
2023-02-27 20:15 ` Russell King (Oracle) [this message]
2023-02-27 20:15   ` Russell King (Oracle)
2023-02-27 21:04   ` Arnd Bergmann
2023-02-27 21:04     ` Arnd Bergmann
2023-02-28 22:45   ` David Laight
2023-02-28 22:45     ` David Laight
2023-02-28 22:55     ` David Laight
2023-02-28 22:55       ` David Laight
2023-02-27 20:23 ` Larry Finger
2023-02-27 20:23   ` Larry Finger
2023-02-27 20:38   ` Arnd Bergmann
2023-02-27 20:38     ` Arnd Bergmann
2023-02-27 20:59     ` Russell King (Oracle)
2023-02-27 20:59       ` Russell King (Oracle)
2023-02-27 21:09     ` Larry Finger
2023-02-27 21:09       ` Larry Finger
2023-02-27 21:30       ` Arnd Bergmann
2023-02-27 21:30         ` Arnd Bergmann
2023-02-28  3:57         ` Larry Finger
2023-02-28  3:57           ` Larry Finger
2023-02-28  8:37           ` Arnd Bergmann
2023-02-28  8:37             ` Arnd Bergmann
2023-03-01  1:13             ` Larry Finger
2023-03-01  1:13               ` Larry Finger
2023-03-01  8:01               ` Arnd Bergmann
2023-03-01  8:01                 ` Arnd Bergmann
2023-02-28 21:35 ` Ondrej Zary
2023-02-28 21:35   ` Ondrej Zary

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