At 1:03 PM -0500 3/17/05, Nathan J. Williams wrote:
>Attachment of SCSI devices happens after the main configuration tree,
>usually in a kthread, for this reason. So yes, a few devices require
>interrupts for configuration, but they are specially deferred until
>after the normal configuration tree is finished.

Ok, I understand. Thanks.

>> Ah, perhaps I'm focused on one aspect of your commit message. In preserving
>> the interrupt state, this does include when it was on before trap was
>> called, correct?
>
>Yes. Look at the code; instead of setting PSL_EE in the MSR, it
>selects the old value of PSL_EE from the saved MSR (srr1) and or's
>that in to the current MSR (which would have it cleared, as nearly all
>MSR bits are cleared on entry to an exception handler).

Yes, I had looked at the code before speaking :-) The commit message
focused on not enabling interrupts when not already enabled; as such I did
not think about the code preserving the status until your last response.

I appreciate your time in explaining this.

tim