Re: In place kexec

H. Peter Anvin
2010-07-30T05:05:07Z

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?

> 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.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.