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Re: [PATCH] Add support for 4KS cpu.

To: "Maciej W. Rozycki" <>
Subject: Re: [PATCH] Add support for 4KS cpu.
From: Franck <>
Date: Tue, 4 Oct 2005 17:10:52 +0200
Cc: Ralf Baechle <>,
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Reply-to: Franck <>
2005/10/4, Maciej W. Rozycki <>:
>  See my other comment in this thread.  As to the SmartMIPS/crypto
> instructions -- unless they are going to be emitted by GCC for the kernel
> build (which I seriously doubt), there is no point in enabling them.

some assembly code could...

> > algorithms. And have some extra bits in TLB to protect pages from
> > being execute for example. These are the main differences that I can
>  Now that may be of potential interest of the kernel, but again, that's in
> principle probably not specific to these processors,

hmm, I'm not an expert in MIPS cpu as you guys, so can you give me an
example of others processors that have such TLB features ?

> > remember. Big fat warning: I sent all support I have done for these
> > cpu, _not_ more, _not_ less. I agree it's almost nothing but it's a
> > start...
>  Well, it's probably a bit too early for inclusion, but it's certainly not
> for a review.  By sending changes here for discussion early you may avoid
> a lot of hassle later when you may discover a major update is required for
> them to be accepted.  Good luck!

Actually Ralf asked for it in a previous thread.


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