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Protecting the code in a trampoline can also require protecting a number of instructions prior to actually entering the trampoline. For example, these earlier instructions might be computing the address of the trampoline. This commit therefore updates RCU's requirements to record this for posterity. Link: https://lore.kernel.org/lkml/20200511154824.09a18c46@gandalf.local.home/ Reported-by: Lai Jiangshan <jiangshanlai@gmail.com> Reported-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> |
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| Data-Structures | ||
| Expedited-Grace-Periods | ||
| Memory-Ordering | ||
| Requirements | ||