Re: [Qemu-block] [SeaBIOS] [PATCH v3 4/4] geometry: Apply LCHS values for boot devices

[Sam Eiderman]

> On 20 Jun 2019, at 8:42, Gerd Hoffmann <kra...@redhat.com> wrote:
> 
>> +static int
>> +overriden_lchs_supplied(struct drive_s *drive)
>> +{
>> +    return drive->lchs.cylinder || drive->lchs.head || drive->lchs.sector;
>> +}
> 
>> +    case TRANSLATION_MACHINE:
> 
> Hmm, why this name?  Doesn't look intuitive to me.

TRANSLATION_HOST?

> 
>> +        desc = "overriden";
> 
> I'd name that "host-supplied" or "fw-cfg”.

“host-supplied”?

> 
>> +        cylinders = drive->lchs.cylinder;
>> +        heads = drive->lchs.head;
>> +        if (heads > 255)
>> +            heads = 255;
> 
> I suggest to move these sanity checks to overriden_lchs_supplied(), then
> ignore the override altogether when heads or sectors is out of range
> instead of trying to fixup things.

Sounds reasonable.
I’ll rename to host_lchs_supplied()?

WDYT?

> 
> The other patches look all sane to me.
> 
> cheers,
>  Gerd
>