Messages in this thread | | | From | (Eric W. Biederman) | Date | Wed, 09 Jul 2008 13:53:12 -0700 | Subject | Re: [RFC 00/15] x86_64: Optimize percpu accesses |
| |
Jeremy Fitzhardinge <jeremy@goop.org> writes:
>> Or we could do something completely evil. And use the other segment >> register for the stack canary. >> > > That would still require gcc changes, so it doesn't help much.
We could use %fs for the per cpu variables. Then we could set %gs to whatever we wanted to sync up with gcc
Eric
| |