On 12/26/15 at 05:31pm, Toshi Kani wrote: > + cc: kexec list > > On 12/26/2015 3:38 AM, Borislav Petkov wrote: > >On Fri, Dec 25, 2015 at 03:09:23PM -0700, Toshi Kani wrote: > >>Change to call walk_iomem_res_desc() for searching resource entries > >>with the following names: > >> "ACPI Tables" > >> "ACPI Non-volatile Storage" > >> "Persistent Memory (legacy)" > >> "Crash kernel" > >> > >>Note, the caller of walk_iomem_res() with "GART" is left unchanged > >>because this entry may be initialized by out-of-tree drivers, which > >>do not have 'desc' set to IORES_DESC_GART. > > > >There's this out-of-tree bogus argument again. :\ > > > >Why do we care about out-of-tree drivers? > > > >You can just as well fix the "GART" case too and kill walk_iomem_res() > >altogether... > > Right, but I do not see any "GART" case in the upstream code, so I > cannot change it... Hi, Toshi. 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 Thanks Minfei -- 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>