Hi, Boris On 12/27/15 at 11:24am, Borislav Petkov wrote: > On Sun, Dec 27, 2015 at 10:12:57AM +0800, Minfei Huang wrote: > > You can refer the below link that you may get a clue about GART. This is > > the fisrt time kexec-tools tried to support to ignore GART region in 2nd > > kernel. > > > > http://lists.infradead.org/pipermail/kexec/2008-December/003096.html > > So theoretically we could export that IORES_DESC* enum in an uapi header and > move kexec-tools to use that. > > However, I'm fuzzy on how exactly the whole compatibility thing is done > with kexec-tools and the kernel. We probably would have to support > newer kexec-tools on an older kernel and vice versa so I'd guess we > should mark walk_iomem_res() deprecated so that people are encouraged to > upgrade to newer kexec-tools... Replied to Toshi old kernel will export the "GART" region for amd cards. So for old kernel and new kexec-tools we will have problem. I think add the GART desc for compitibility purpose is doable, no? Thanks Dave -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>