Michael Ellerman <patch-notificati...@ellerman.id.au> writes: > 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
Actually this patch was superseeded. This should have been a reply to: https://lore.kernel.org/linuxppc-dev/20190517132958.22299-1-...@ellerman.id.au/ cheers
