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Re: [PATCH] mm/pg-r4k.c: Dump the generated code

To: Ralf Baechle <>
Subject: Re: [PATCH] mm/pg-r4k.c: Dump the generated code
From: "Maciej W. Rozycki" <>
Date: Thu, 4 Oct 2007 18:34:04 +0100 (BST)
Cc: Franck Bui-Huu <>, Thiemo Seufer <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <> <> <> <> <> <> <> <>
On Thu, 4 Oct 2007, Ralf Baechle wrote:

> Anything in excessive amounts is toxic and that includes compatibility.
> A true MIPS generic kernel would be hard to do.  But we have kernels that
> can support all variants of the Malta even though Malta has more CPU options

 Have the issues been fixed?  I recall there was a problem with FPU 
context switching which would not let a MIPS IV Malta kernel (needed for 
all the old QED CPU core cards) run with a MIPS32r2 core.

> than any other system.  Or for your personal toy project, all DECs wouldn't
> be too hard either, or?

 The DECs should be reletively easy if we finally managed to get rid of 
all the 64-bit-isms in the 32-bit kernel even if built for MIPS III or 
above.  Which, given the recent commitment to 32-bit cores is what I would 
actually expect.


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