Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: Linux 2.4.21-pre3-ac4 | From | Alan Cox <> | Date | 12 Jan 2003 20:40:54 +0000 |
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On Sun, 2003-01-12 at 19:51, Benjamin Herrenschmidt wrote: > What about PCI write posting ? How can we enforce the 400ns delay here ?
For i/o space it is ok as in*/out* are synchronous. For mmio right now I don't know. I need to talk to Andre about that for SATA. I guess for the PPC its going to be fun
> > 2. The code is racey in some situations with a shared IRQ because we > > may get an IRQ after we set the handler but before we send the command, > > or implemnted the other way the command can complete before we set the > > handler. > > Yup, that's an old problem indeed.
Time for it to die....
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