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

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Message-ID: <CAMzpN2hfYzNwRR8o7Kz0qsuAo6JP1iSA91x=-DJP1tBz-smgTw@mail.gmail.com>
Date:	Thu, 23 Aug 2012 15:35:19 -0400
From:	Brian Gerst <brgerst@...il.com>
To:	wbrana <wbrana@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Drop support for x86-32

On Thu, Aug 23, 2012 at 3:08 PM, wbrana <wbrana@...il.com> wrote:
> On 8/23/12, Brian Gerst <brgerst@...il.com> wrote:
>> Nobody here cares about closed source drivers.
> There are also open source software which don't support X32 like
> Oracle Java, VirtualBox, Mozilla Firefox, Google Chrome.

As I said before, X32 is an optional ABI in 64-bit kernels, for 64-bit
userspace code using 32-bit pointers to save memory.  Userspace
software doesn't have to support it, it can just go full 64-bit.  Any
kernel that supports X32 also supports the full 64-bit ABI.

--
Brian Gerst
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