On Mon, Dec 09, 2013 at 05:42:26PM +0800, Dave Young wrote:
> Currently e820_reserve_setup_data is called before parsing early params,
> it works in normal case. But for memmap=exactmap, the final memory ranges
> are created after parsing memmap= cmdline params, so the previous
> e820_reserve_setup_data has no effect. For example, setup_data ranges
> will still be marked as normal system ram, thus when later sysfs driver
> ioremap them kernel will warn about mapping normal ram.
>
> This patch fix it by moving the e820_reserve_setup_data callback after
> parsing early params so they can be set as reserved ranges and later
> ioremap will be fine with it.
>
> changes:
> Boris: improve patch description
>
> Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
Acked-by: Borislav Petkov <bp@xxxxxxx>
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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