From f19866e5cb04f8f007cb422132ea4611cdacc8e3 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 8 Oct 2015 08:28:26 -0300 Subject: Linux-libre 4.2.3-gnu --- arch/arm64/Kconfig | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'arch/arm64/Kconfig') diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 318175f62..735456feb 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -104,6 +104,10 @@ config NO_IOPORT_MAP config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y @@ -417,6 +421,22 @@ config ARM64_ERRATUM_845719 If unsure, say Y. +config ARM64_ERRATUM_843419 + bool "Cortex-A53: 843419: A load or store might access an incorrect address" + depends on MODULES + default y + help + This option builds kernel modules using the large memory model in + order to avoid the use of the ADRP instruction, which can cause + a subsequent memory access to use an incorrect address on Cortex-A53 + parts up to r0p4. + + Note that the kernel itself must be linked with a version of ld + which fixes potentially affected ADRP instructions through the + use of veneers. + + If unsure, say Y. + endmenu -- cgit v1.2.3-54-g00ecf