[PATCH 5/5] kexec: X86: Pass memory ranges via e820 table instead of memmap= boot parameter

Dave Hansen dave at sr71.net
Mon Apr 15 01:58:44 EDT 2013

On 04/14/2013 09:52 PM, HATAYAMA Daisuke wrote:
> This sounds like there's no such issue on x86 cache mechanism. Is it
> correct? If so, what is the difference between ia64 and x86 cache
> mechanisms?

I'm just going by the code comments:

>                 /*
>                  * On ia64 if a page has been mapped somewhere as uncached, then
>                  * it must also be accessed uncached by the kernel or data
>                  * corruption may occur.
>                  */

More information about the kexec mailing list