On Thu, 2019-05-16 at 11:50:54 UTC, "Aneesh Kumar K.V" wrote: > Different parts of the code do the limit check by ignoring the top nibble > of EA. ie. we do checks like > > if ((ea & EA_MASK) >= H_PGTABLE_RANGE) > error > > This patch makes sure we don't insert SLB entries for addresses whose top > nibble > doesn't match the ignored bits. > > With an address like 0x4000000008000000, we can result in wrong slb entries > like > > 13 4000000008000000 400ea1b217000510 1T ESID= 400000 VSID= ea1b217000 > LLP:110 > > without this patch we will map that EA with LINEAR_MAP_REGION_ID and further > those addr limit check will return false. > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/c179976cf4cbd2e65f29741d5bc07ccf cheers
