linux-kernel - Re: [PATCH RFC] drivers/char/mem: byte generating devices and poisoned mappings

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Message-ID: <20140401175947.5b5a3298@alan.etchedpixels.co.uk>
Date:	Tue, 1 Apr 2014 17:59:47 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Konstantin Khlebnikov <koct9i@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Hugh Dickins <hughd@...gle.com>,
	Yury Gribov <y.gribov@...sung.com>,
	Alexandr Andreev <aandreev@...allels.com>,
	Vassili Karpov <av1474@...tv.ru>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH RFC] drivers/char/mem: byte generating devices and
 poisoned mappings

On Tue, 01 Apr 2014 01:16:07 +0400
Konstantin Khlebnikov <koct9i@...il.com> wrote:

> This patch adds 256 virtual character devices: /dev/byte0, ..., /dev/byte255.
> Each works like /dev/zero but generates memory filled with particular byte.

More kernel code for an ultra-obscure corner case that can be done in
user space

I don't see the point

Alan
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