Re: [PATCH 1/2] x86 boot: add E820_RESVD_KERN

From: Ingo Molnar
Date: Mon Jun 30 2008 - 15:16:57 EST



* Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:

> > For find_e820_area, this is safe enough. But what about conflict
> > between setup_data and ebda or ramdisk?
>
> can you have setup_data and ebda at the same time?
>
> setup_data and ramdisk should be ok, because bootloader is supposed to
> make them not to be conflicts.

the more sanity checks we do before relying on some crutial data, the
better. It's easier to panic or sanitize data in some structured way and
complain about it in the syslog than to let things get corrupted. Boot
loaders are ... not unknown to be have bugs too, at times.

Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/