Re: [PATCH 4/6] ftrace, x86: make kernel text writable only for conversions

Andi Kleen
2009-02-28T23:33:41Z

> So using aliases for kernel text rewriting is bad idea because it
> would break ia64?

Nope.

First what you do on x86 kernels doesn't matter to ia64.
And then kernel text rewriting doesn't require any illegal aliases anyways.
It would only be a problem if someone set the kernel text uncached,
which no sane person would do.

> That was what the thread was about. (Sorry, no ia64
> or sparc manuals nearby).

google knows them all.

-Andi
--
ak@linux.intel.com -- Speaking for myself only.