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Re: [PATCH] kernel/process.c: R3000 setup for kernel_thread()

To: "Maciej W. Rozycki" <>
Subject: Re: [PATCH] kernel/process.c: R3000 setup for kernel_thread()
From: Ralf Baechle <>
Date: Tue, 18 Sep 2007 19:05:21 +0100
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Mutt/1.5.14 (2007-02-12)
On Tue, Sep 18, 2007 at 06:49:08PM +0100, Maciej W. Rozycki wrote:

>  Match the R4000 semantics for the initial state of interrupt/kernel
> status register flags for the R3000 in kernel_thread().
> Signed-off-by: Maciej W. Rozycki <>
> ---
>  The R4000 variation preserves the interrupt/kernel status flags; the 
> R3000 assumes a certain state.  It may not matter, at least at the current 
> state of the code, but for consistency I think the R3000 variation should 
> do the same as the R4000 one, first for purity and second because there is 
> less maintenance force available for the R3000 and any discrepancy between 
> the two variations means a greater chance for subtle bugs.  The 
> performance hit is negligible.

Since it doesn't seem to bite I queued this for 2.6.24.  Thanks,


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