From: Ralf Baechle <ralf@linux-mips.org>
To: "Kevin D. Kissell" <KevinK@mips.com>
Cc: S C <theansweriz42@hotmail.com>, linux-mips@linux-mips.org
Subject: Re: Strange, strange occurence
Date: Tue, 13 Jul 2004 01:13:59 +0200 [thread overview]
Message-ID: <20040712231359.GC6176@linux-mips.org> (raw)
In-Reply-To: <021201c4685f$2925ee30$0deca8c0@Ulysses>
On Tue, Jul 13, 2004 at 12:25:37AM +0200, Kevin D. Kissell wrote:
> Hmm. On closer examination, there *is* a bug in the current r4k_flush_icache_range(),
> in that it computes its cache flush loop for the I-cache based on the D-cache line size.
> Those line sizes are *usually* the same. By any chance are they different for the
> TX49 family? If the icache line is longer than the dcache line, there should be no
> functional problem, just some wasted cycles. But if the dcache line were, say,
> twice the length of the Icache line, only half of the icache lines would be invalidated...
Whoops. Fixing ...
Ralf
next prev parent reply other threads:[~2004-07-12 23:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 21:23 Strange, strange occurence S C
2004-07-12 21:48 ` Kevin D. Kissell
2004-07-12 21:48 ` Kevin D. Kissell
2004-07-12 22:25 ` Kevin D. Kissell
2004-07-12 22:25 ` Kevin D. Kissell
2004-07-12 23:13 ` Ralf Baechle [this message]
2004-07-12 23:11 ` Ralf Baechle
2004-07-12 23:00 ` Ralf Baechle
-- strict thread matches above, loose matches on Subject: below --
2004-07-30 21:06 G H
2004-07-31 5:09 ` Ralf Baechle
2004-07-12 23:10 S C
2004-07-12 20:49 S C
2004-07-09 18:50 S C
2004-07-10 7:33 ` Niels Sterrenburg
2004-07-10 10:04 ` Ralf Baechle
2004-07-12 15:16 ` Kevin D. Kissell
2004-07-12 15:16 ` Kevin D. Kissell
2004-07-13 0:33 ` Ralf Baechle
2004-07-13 15:31 ` Kevin D. Kissell
2004-07-13 15:31 ` Kevin D. Kissell
2004-07-14 12:02 ` Maciej W. Rozycki
2004-07-14 16:35 ` Dominic Sweetman
2004-07-14 17:45 ` Michael Uhler
2004-07-14 17:45 ` Michael Uhler
2004-07-15 1:34 ` Atsushi Nemoto
2004-07-15 1:53 ` Ralf Baechle
2004-07-16 12:24 ` Ralf Baechle
2004-07-16 16:05 ` Atsushi Nemoto
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