On Mon, Feb 02, 2004 at 04:13:28PM +0100, Maciej W. Rozycki wrote: > > PMC-Sierra says that the workaround for errata #18 of the R4600 V1.7 > > and a similar erratum in V2.0 don't require disabling of interrupts, > > so remove that code. > > How do we assure tails of interrupt handlers don't trigger the errata? The problem can only be triggered if instructions surrounding the cacheop use the dcache; exceptions such as interrupts are not relevant. Which I'm really happy about. Disabling interrupts is a problem in cases were we can't avoid page faults. Ralf
