linux-kernel - Re: [PATCH 5/6] of: Use the standards compliant default address cells value for x86

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241105173544.5b5ff50b@bootlin.com>
Date: Tue, 5 Nov 2024 17:35:44 +0100
From: Herve Codina <herve.codina@...tlin.com>
To: Rob Herring <robh@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki"
 <rafael@...nel.org>, Saravana Kannan <saravanak@...gle.com>, Bjorn Helgaas
 <bhelgaas@...gle.com>, Lizhi Hou <lizhi.hou@....com>,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-pci@...r.kernel.org, Allan Nielsen <allan.nielsen@...rochip.com>,
 Horatiu Vultur <horatiu.vultur@...rochip.com>, Steen Hegelund
 <steen.hegelund@...rochip.com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 5/6] of: Use the standards compliant default address
 cells value for x86

On Mon, 4 Nov 2024 14:07:59 -0600
Rob Herring <robh@...nel.org> wrote:

...
> 
> I prefer the default to just be wrong. My intention is to get rid of
> the defaults (at least for all FDT, not OF) and walking up parent
> nodes. My first step was to add warnings[1] and see who complained.
> 
> The base tree needs to be populated with #address-cells/#size-cells.
> I'd be fine if we say those are always 2 to keep it simple.
> 

Right in that case, I could add the #address-cells/#size-cells in the empty
node (empty_node.dts) used on all architecture when ACPI is enabled or the
bootloader doesn't provide a fdt.

Best regards,
Hervé