tree 264d7397b3e7505f2f5c801c9d613242e0533227
parent f3d795d9b360523beca6d13ba64c2c532f601149
author Jayachandran C <jnair@caviumnetworks.com> 1516364568 -0800
committer Catalin Marinas <catalin.marinas@arm.com> 1516737589 +0000

arm64: Turn on KPTI only on CPUs that need it

Whitelist Broadcom Vulcan/Cavium ThunderX2 processors in
unmap_kernel_at_el0(). These CPUs are not vulnerable to
CVE-2017-5754 and do not need KPTI when KASLR is off.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>