On 12-05-03 08:47 AM, Paolo Bonzini wrote:
> Il 03/05/2012 14:40, Mark Lord ha scritto:
>>>>
>>>> Breaking "hdparm --write-sector /dev/sda1"? I call it a security fix.
>> No, that would plain stupid on both our parts. :)
>> The --write-sector flag is allowed only for non-partitions by hdparm itself.
>
> Excuse my laziness--how does it check?
I don't know if there's a feasible fool-proof method or not.
But what hdparm does is look at the sector offset of the device.
Partitions normally have a non-zero offset.
>> But other flags commonly used by distros at boot time
>> seem to be triggering the current in-kernel noise.
>> Dunno which flags, I'm just ignoring them and waiting
>> for the noise message to get reverted.
>
> That's exactly the behavior I hoped to get when I added the warnings.
> Or maybe not. :) What are the messages?
> i.e. what ioctl do they complain about?
As above:
>> Dunno which flags, I'm just ignoring them and waiting
>> for the noise message to get reverted.
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