linux-kernel - Re: [patch] x86: test case for the RODATA config option

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Message-ID: <20080123165401.GA30749@one.firstfloor.org>
Date:	Wed, 23 Jan 2008 17:54:01 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] x86: test case for the RODATA config option

> Yes internally that uses c-p-a, but there's more code there, including a set of boundary conditions etc.

You mean the ro boundary to the rest of the kernel and the 
rest of the kernel mappings on i386?

It doesn't seem to check for any of those.

> And for the page table to work, cr0 needs to be set up correctly etc etc etc.

If you really want to check that then you should run it on all CPUs
at least.

But ok given that it's already merged I'll shut up now since it's too
late.

-Andi

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