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Re: [PATCH] clean up ret_from_{irq,exception}

To: Atsushi Nemoto <>
Subject: Re: [PATCH] clean up ret_from_{irq,exception}
From: "Maciej W. Rozycki" <>
Date: Mon, 12 Feb 2007 16:51:57 +0000 (GMT)
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <>
On Mon, 12 Feb 2007, Atsushi Nemoto wrote:

> _ret_from_irq is used by dec/int-handler.S directly, so you should not
> remove it (though decstation_defconfig disables CONFIG_PREEMPT).
> But looking at dec/int-handler.S again, I can not see why it uses
> _ret_from_irq, and why it manipulates TI_REGS($28) in handle_it ...
> It seems dec/int-handler.S has been broken for a while.  I'll send a
> patch to fix it.  If it was ACKed, I ACK your patch.

 It works for me with 2.6.18 -- if it needs an update due to more recent 
changes, then I have not got there yet. ;-)  I plan to rewrite this bit in 
C if feasible like other platforms did too.


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