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Re: [PATCH 2.5] FPU

Subject: Re: [PATCH 2.5] FPU
From: Greg Lindahl <>
Date: Sat, 25 Jan 2003 19:35:29 -0800
In-reply-to: <Pine.LNX.4.21.0301260251300.15950-100000@melkor>
Original-recipient: rfc822;
References: <Pine.LNX.4.21.0301260251300.15950-100000@melkor>
User-agent: Mutt/1.4i
On Sun, Jan 26, 2003 at 02:58:09AM +0100, Vivien Chappelier wrote:

>       At various places in the 2.5 kernel, the fpu is accessed in
> kernel mode with CU1 not set, causing an unexpected exception.


One good way to start with 2.5 bugs is to compare the code to the 2.4
kernel. Often you can see places where bugs were fixed in 2.4 but the
fixes were not also made to the equivalent 2.5 code. This will keep
2.4 and 2.5 as close as possible, just like we want to keep the 64-bit
and 32-bit kernels as close as possible.

-- greg

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