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Messages in this thread Complete thread (EXPERIMENTAL) |
The P4 optimisation guide promises horrible things if you write within
2k of a cached instruction from another CPU (it dumps the whole trace
cache, it seems), so you'd need to be careful about mixing mutable data
and the syscall code in that page.
The PIII errata promise worse things with SMP and code modified as another cpu ruins it and seems to mark them WONTFIX, so there is another dragon to beware of | ||||||||||
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