Messages in this thread | | | Date | Thu, 17 Apr 2008 20:06:34 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [RFC PATCH] x86 NMI-safe INT3 and Page Fault (v5) |
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* Andi Kleen (andi@firstfloor.org) wrote: > Mathieu Desnoyers <compudj@krystal.dyndns.org> writes: > > > > It allows placing immediate values (and therefore optimized trace_marks) in NMI > > code > > Only if all your trace_mark infrastructure is lock less. > > -Andi >
It uses RCU-style updates and has been designed to be lockless from the ground up.
Mathieu
-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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