Messages in this thread | | | From | (Alan Cox) | Subject | Re: [patch] sleep_on() done with cli() in the NFS code, 2.2.2 | Date | Tue, 2 Mar 1999 16:18:05 +0000 (GMT) |
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> there is one more place i found that does sleep_on() with cli(), > this can lead to lockups under SMP. Are there any unsolved reports > of lockups for NFS + SMP-2.2.2? > > That whole stretch of code is bogus, it should be using bh atomicity > instead. The thing it is trying to be atomic against are events which > are a result of packet arrival and perhaps timers as well.
That code just predates bh atomicity, its a cut and paste of some 1.2 code that has since in other protocols gone through bh atomicity and to removing sleep_on
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