On Tue, 28 Jun 2005, Andi Kleen wrote:
> It's unfortunately useless because all the kernel is mapped in the
> same 2 or 4MB page has to be writable because it overlaps with real
> direct mapped memory.
The question is: Are syscall tables are supposed to be
writable? If no then this patch should go in. If yes then forget about it.
On IA64 they are readonly and so I thought they should also be readonly
on i386 and x86_64.
The ability to protect a readonly section may be another issue.
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