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authorMathias Kresin <dev@kresin.me>2018-04-26 22:25:11 +0200
committerMathias Kresin <dev@kresin.me>2018-04-27 21:34:18 +0200
commit3877550114c37be4dfcb6dce7f28ef5400529326 (patch)
tree79b9e6f140ac4ebed0a520c6cc39b57d7ce16add /target/linux
parent25f47c7bf938fd934575015fd032d0145806c3f7 (diff)
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arm64: enable harden branch predictor
Enable the harden branch predictor for arm64 as it is recommend. Signed-off-by: Mathias Kresin <dev@kresin.me>
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/armvirt/64/config-default2
-rw-r--r--target/linux/generic/config-4.142
-rw-r--r--target/linux/mvebu/cortexa53/config-default2
-rw-r--r--target/linux/mvebu/cortexa72/config-default2
-rw-r--r--target/linux/octeontx/config-4.142
-rw-r--r--target/linux/sunxi/cortexa53/config-default2
6 files changed, 10 insertions, 2 deletions
diff --git a/target/linux/armvirt/64/config-default b/target/linux/armvirt/64/config-default
index 4e63668f5f..0045651333 100644
--- a/target/linux/armvirt/64/config-default
+++ b/target/linux/armvirt/64/config-default
@@ -106,6 +106,7 @@ CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_HAVE_ARCH_KASAN=y
@@ -177,6 +178,7 @@ CONFIG_SYS_SUPPORTS_HUGETLBFS=y
# CONFIG_THUNDER_NIC_PF is not set
# CONFIG_THUNDER_NIC_RGX is not set
# CONFIG_THUNDER_NIC_VF is not set
+CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_VEXPRESS_CONFIG=y
CONFIG_VEXPRESS_SYSCFG=y
CONFIG_VIDEOMODE_HELPERS=y
diff --git a/target/linux/generic/config-4.14 b/target/linux/generic/config-4.14
index a27198335d..c9ee88c751 100644
--- a/target/linux/generic/config-4.14
+++ b/target/linux/generic/config-4.14
@@ -1534,7 +1534,6 @@ CONFIG_GENERIC_NET_UTILS=y
# CONFIG_HAMRADIO is not set
# CONFIG_HAPPYMEAL is not set
# CONFIG_HARDENED_USERCOPY is not set
-# CONFIG_HARDEN_BRANCH_PREDICTOR is not set
# CONFIG_HARDLOCKUP_DETECTOR is not set
# CONFIG_HAVE_AOUT is not set
CONFIG_HAVE_ARCH_HARDENED_USERCOPY=y
@@ -5021,7 +5020,6 @@ CONFIG_UNIX=y
CONFIG_UNIX98_PTYS=y
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_UNIX_DIAG is not set
-# CONFIG_UNMAP_KERNEL_AT_EL0 is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_UPROBES is not set
# CONFIG_UPROBE_EVENT is not set
diff --git a/target/linux/mvebu/cortexa53/config-default b/target/linux/mvebu/cortexa53/config-default
index 0ee5d3cca6..4c0ced320d 100644
--- a/target/linux/mvebu/cortexa53/config-default
+++ b/target/linux/mvebu/cortexa53/config-default
@@ -64,6 +64,7 @@ CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_HAVE_ARCH_KASAN=y
@@ -109,4 +110,5 @@ CONFIG_SPI_ARMADA_3700=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_SYS_SUPPORTS_HUGETLBFS=y
CONFIG_THREAD_INFO_IN_TASK=y
+CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_VMAP_STACK=y
diff --git a/target/linux/mvebu/cortexa72/config-default b/target/linux/mvebu/cortexa72/config-default
index ba0fd35b56..3c2b2b0446 100644
--- a/target/linux/mvebu/cortexa72/config-default
+++ b/target/linux/mvebu/cortexa72/config-default
@@ -62,6 +62,7 @@ CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_HAVE_ARCH_KASAN=y
@@ -118,4 +119,5 @@ CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_SYS_SUPPORTS_HUGETLBFS=y
CONFIG_THREAD_INFO_IN_TASK=y
+CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_VMAP_STACK=y
diff --git a/target/linux/octeontx/config-4.14 b/target/linux/octeontx/config-4.14
index 6e70c9d327..b2ea99be0a 100644
--- a/target/linux/octeontx/config-4.14
+++ b/target/linux/octeontx/config-4.14
@@ -253,6 +253,7 @@ CONFIG_GPIO_PCA953X_IRQ=y
CONFIG_GPIO_THUNDERX=y
# CONFIG_GRO_CELLS is not set
CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
@@ -513,6 +514,7 @@ CONFIG_TASK_XACCT=y
CONFIG_TEE=y
CONFIG_THIN_ARCHIVES=y
CONFIG_THREAD_INFO_IN_TASK=y
+CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_THUNDER_NIC_BGX=y
CONFIG_THUNDER_NIC_PF=y
CONFIG_THUNDER_NIC_RGX=y
diff --git a/target/linux/sunxi/cortexa53/config-default b/target/linux/sunxi/cortexa53/config-default
index ef67c0ea16..2d9dd0191a 100644
--- a/target/linux/sunxi/cortexa53/config-default
+++ b/target/linux/sunxi/cortexa53/config-default
@@ -55,6 +55,7 @@ CONFIG_FRAME_POINTER=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_IRQ_MIGRATION=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_HAVE_ARCH_KASAN=y
@@ -103,4 +104,5 @@ CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SUN50I_A64_CCU=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_THREAD_INFO_IN_TASK=y
+CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_VMAP_STACK=y