Messages in this thread |  | | Date | Tue, 13 Feb 2007 14:49:10 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch 13/21] Xen-paravirt: Add nosegneg capability to the vsyscall page notes |
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Zachary Amsden wrote: > I don't like this because now a kernel compiled with both CONFIG_XEN > and CONFIG_VMI has "nosegneg" turned on. We don't actually require > this for performance or correctness, so it would be nice to be able to > dynamically turn it off instead of having it forced.
Any suggestions about how to do this? It seems hard to have a note dynamically appear and disappear in the vsyscall.so.
I wasn't terribly concerned about this, since there is effectively zero performance difference between the two library implementations.
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