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Re: missing flush_dcache_page call in 2.4 kernel

To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Subject: Re: missing flush_dcache_page call in 2.4 kernel
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 25 Mar 2004 15:33:19 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <20040325.224229.112629304.nemoto@toshiba-tops.co.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20040325.224229.112629304.nemoto@toshiba-tops.co.jp>
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On Thu, Mar 25, 2004 at 10:42:29PM +0900, Atsushi Nemoto wrote:

> I noticed that reading from file with mmap sometimes return wrong data
> on 2.4 kernel.
> 
> This is a test program to reproduce the problem.

This seems to be the same problem as reported by Peter Horton as while
ago; in his case that was with PIO IDE.

  Ralf

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