Re: [PATCH] x86: skip paravirt patching when appropriate

Chris Wright wrote:

* Chris Wright (chrisw@sous-sol.org) wrote:

Now that I understand the problem, I do have a very simple (slightly
overkill) fix for paravirt patching.  This can be cleaned up to avoid
the copies when they aren't needed, but that will take a little more
auditing of the various patchers.  If you still prefer a revert I've
got one handy, and we can re-visit this all post .23.

This one avoids the patching when necessary, but needs some validation on
VMI (and Zach's not avail today).  I'll resend when I know it's working
for all paravirt patchers.

I'm back.  I'll give this one a spin after dinner tonight.

Zach
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References:
- [PATCH] [0/12] x86 Late merge bug fixes for 2.6.23
  - From: Andi Kleen <ak@suse.de>
- [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Andi Kleen <ak@suse.de>
- Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Jeremy Fitzhardinge <jeremy@goop.org>
- Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Andi Kleen <ak@suse.de>
- Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Chris Wright <chrisw@sous-sol.org>
- Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Linus Torvalds <torvalds@linux-foundation.org>
- Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue
  - From: Chris Wright <chrisw@sous-sol.org>
- [PATCH] x86: skip paravirt patching when appropriate
  - From: Chris Wright <chrisw@sous-sol.org>

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