On 29.01.15 01:48, David Gibson wrote: > On Mon, Jan 26, 2015 at 07:51:58PM +0530, Aneesh Kumar K.V wrote: >> We look at two sizes specified in ISA (4K, 64K). If not found matching, >> we consider it 16MB. >> >> Without this patch we would fail to lookup address above 16MB range. >> Below 16MB happened to work before because the kernel have a liner >> mapping and we always looked up hash for 0xc000000000000000. The >> actual real address was computed by using the 16MB offset >> with the real address found with the above hash. >> >> Without Fix: >> (gdb) x/16x 0xc000000001000000 >> 0xc000000001000000 <list_entries+453208>: Cannot access memory at >> address 0xc000000001000000 >> (gdb) >> >> With Fix: >> (gdb) x/16x 0xc000000001000000 >> 0xc000000001000000 <list_entries+453208>: 0x00000000 0x00000000 >> 0x00000000 0x00000000 >> 0xc000000001000010 <list_entries+453224>: 0x00000000 0x00000000 >> 0x00000000 0x00000000 >> 0xc000000001000020 <list_entries+453240>: 0x00000000 0x00000000 >> 0x00000000 0x00000000 >> 0xc000000001000030 <list_entries+453256>: 0x00000000 0x00000000 >> 0x00000000 0x00000000 >> >> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > > This doesn't fully implement the sllp page size encodings, but it's > certainly better than what's there now. > > Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Thanks, applied to ppc-next. Alex
