"H. Peter Anvin" <[email protected]> writes:

> On 07/29/2010 09:41 PM, Eric W. Biederman wrote:
>> 
>> There isn't a bus master shut off at the core level.  When we did
>> the original analysis it turned out that the bus mastering bit
>> was implemented on a lot of devices in advisory way, so it didn't
>> make sense to count on it.
>> 
>
> But does it make sense to not flip the bit for the cases where it is
> implemented properly?

It is probably worth looking into again.  I think it was 5+ years
ago when that determination was made.

>> That said it looks like the code to do the shutdown is in
>> qla2x00_remove_one so it should be too hard if someone cared to
>> extract just the hardware bits.
>
> Charming.  Code is there, just not hooked up.

Using the .remove method in reboot is a fight a lost long ago.

Eric

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