Re: [PATCH 1/3] ide: add "ignore_hpa" module parameter

From: Frans Pop
Date: Mon May 25 2009 - 18:27:52 EST

Bartlomiej Zolnierkiewicz wrote:
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> + ide_core.ignore_hpa=
> + [HW] (E)IDE subsystem
> + Ignore HPA limit

Add a short explanation of what HPA is maybe (or at least expand the

It's also not obvious (at least not to a dumb user like me) that "ignore
HPA limit" is equivalent to "preserving the Host Protected Area" as the
commit commit says.
After reading the wiki page on HPA it looks like the actual meaning is to
"make the HPA visible to the OS"?

> + Format: { "0" | "1" }
> + 0 -- keep BIOS limits
> + 1 -- ignore limits, using full disk (default)

Hmm. This looks weird. Is "BIOS limits" a synonym for "HPA limit"?
Same goes for the MODULE_PARM_DESC.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at