Re: [powerpc v4 3/3] Enable storage keys for radix - user mode execution

2016-11-14 Thread kbuild test robot
Hi Balbir, [auto build test WARNING on powerpc/master] url: https://github.com/0day-ci/linux/commits/Balbir-Singh/Enable-IAMR-storage-keys-for-radix/20161114-133434 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git master config: powerpc-allyesconfig (attached as

[powerpc v4 3/3] Enable storage keys for radix - user mode execution

2016-11-13 Thread Balbir Singh
ISA 3 defines new encoded access authority that allows instruction access prevention in privileged mode and allows normal access to problem state. This patch just enables IAMR (Instruction Authority Mask Register), enabling AMR would require more work. I've tested this with a buggy driver and a