Re: [PATCH] dell-wmi: Stop storing pointers to DMI tables

From: Jean Delvare
Date: Fri Jan 15 2016 - 12:53:38 EST


Hi Andy,

Le Friday 15 January 2016 Ã 08:27 -0800, Andy Lutomirski a Ãcrit :
> FWIW, especially if we consider mapping it persistently, maybe we
> should use ioremap_prot and map it both cached and ro.
>
> Actually, switching to a cached mapping regardless of persistence
> could noticeably help boot times. UC accesses are very, very slow.

Sorry if it is obvious for everybody else, but what does "UC accesses"
mean?

--
Jean Delvare
SUSE L3 Support