In place kexec

H. Peter Anvin hpa at
Thu Jul 29 23:38:28 EDT 2010

On 07/29/2010 12:55 PM, Randy Dunlap wrote:
>> And device_shutdown calls every drivers .shutdown method.
>> Things like this are always a driver problem.
> so is there a default .shutdown method for drivers that do not specify one?
> like the qla2xxx driver does not.

If it doesn't, even if bus mastering gets shut off at the core level,
there is a risk that is clobbers data when it turns it back on if the
initialization sequence is problematic.


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

More information about the kexec mailing list