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5d183e9691
available. The per-cpu variable ss_tpr has been replaced by ss_eflags. This reduced the number of interrupts sent to the wrong CPU, due to the cpu having the global lock being inside a critical region. Remove some unneeded manipulation of tpr register in mplock.s. Adjust code in mplock.s to be aware of variables on the stack being destroyed by MPgetlock if GRAB_LOPRIO is defined. |
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