linux-kernel - Re: Drop support for x86-32

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: <5037C530.3000408@zytor.com>
Date:	Fri, 24 Aug 2012 11:17:20 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Brian Gerst <brgerst@...il.com>
CC:	wbrana <wbrana@...il.com>, Martin Nybo Andersen <tweek@...ek.dk>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Drop support for x86-32

On 08/23/2012 11:54 AM, Brian Gerst wrote:
> 
>> - wastes time of developers who can spend their time supporting X32
>> instead of x86-32 or support x86-64 only as 99% of users will be able
>> to run x86-64 software if x86-32 will be dropped
> 
> The x86-32 arch is mature and well maintained, and shares so much in
> common with x86-64, that there is little to be gained by dropping
> kernel support.
> 

Speaking as one of the x86 maintainers... we are currently deciding the
cost/benefit tradeoff around removing i386 support.  I don't mean
general x86-32 support, I mean i386 as opposed to i486, Pentium, and so on.

Dropping x86-32 support is decades away.

	-hpa

--
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/