On Mon, Mar 29, 2004 at 06:39:16PM -0500, Lijun Chen wrote: > Hi, > > I noticed there is a NMI handler in mips32 kernel tree (arch/mips/kernel/head.S and traps.c). > But there is not a counterpart in mips64. Do we need one? Personally I don't see much need of this. Even if firmware redirect NMI to the linux handler, you would die anyway. > >From Ralf's earlier emails, the execution of NMI will pass through the firmware. Does that > mean just the firmware handles the NMI? Yes. > And if the NMI can be enabled/disabled? The NMI on CPU can't be disabled. Of course you can always have extra PIC in front of the NMI signal and you are free to enable/disable there. Jun
