On 02/03/2011 09:57 AM, Ingo Molnar wrote: > > * H. Peter Anvin <hpa@xxxxxxxxx> wrote: > >> On 02/03/2011 06:36 AM, Pavel Machek wrote: >>> >>> Could we read the log area, first, verify it contains signature, write >>> it back? >>> Pavel >> >> Yes, but that doesn't guarantee no data corruption caused by handing >> over from one driver to another. > > Waiting a few seconds? Is there any sufficiently high number of X where waiting X > seconds would make it safe to touch the hardware? (i.e. it would guarantee that > pending commands are flushed, etc.) > Probably not... if you have enough control over the hardware to force a device reset you should be okay, though. This kind of comes down to wanting a complete set of system drivers, i.e. kexec/kdump again. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
