linux-kernel - Re: [RFC] What are the goals for the architecture of an in-kernel IR system?

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: <m3ws1awhk8.fsf@intrepid.localdomain>
Date:	Sat, 28 Nov 2009 20:55:03 +0100
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Jon Smirl <jonsmirl@...il.com>
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	Christoph Bartelmus <lirc@...telmus.de>, awalls@...ix.net,
	dmitry.torokhov@...il.com, j@...nau.net, jarod@...hat.com,
	jarod@...sonet.com, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	maximlevitsky@...il.com, mchehab@...hat.com, superm1@...ntu.com
Subject: Re: [RFC] What are the goals for the architecture of an in-kernel IR  system?

Jon Smirl <jonsmirl@...il.com> writes:

> EVIOCSKEYCODE is lacking, first parameter is an INT. Some decoded IR
> codes are over 32b. Christoph posted an example that needs 128b.

This only means that the existing interface is limited.

> This
> is a problem with ioctls, they change size depending on platform and
> endianess.

But not this: you can use fixed-width u16, u32, u64 and e.g. u8[x].
I don't know an arch which changes int sizes depending on endianness,
is there any?
32/64 binary compatibility needs some minimal effort.
-- 
Krzysztof Halasa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/