kernel: add missing ARM64_SSBD symbol

In 4.14.57, a new symbol for Spectre v4 mitigation was introduced for
ARM64. Add this symbol to all ARM64 targets using kernel 4.14.

This mitigates CVE-2018-3639 on ARM64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
(cherry picked from commit 77e3e706ce0dfe653a28e088bdcf0acddead0091)

diff --git a/target/linux/armvirt/64/config-default b/target/linux/armvirt/64/config-default
index 00456513331243a483025822fc848e4f201e8726..a38a9162b6027bf69c3653a2301f3b4effaa121a 100644 (file)
--- a/target/linux/armvirt/64/config-default
+++ b/target/linux/armvirt/64/config-default
@@ -42,6 +42,7 @@ CONFIG_ARM64_PAN=y
 # CONFIG_ARM64_PTDUMP is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_UAO=y
 CONFIG_ARM64_VA_BITS=39

diff --git a/target/linux/mediatek/mt7622/config-4.14 b/target/linux/mediatek/mt7622/config-4.14
index e76b8c4ab8abb49cdc125b463c12490fa2d719d6..fdfb68d0867586b82f3c5e7adafa1e8a64f26c85 100644 (file)
--- a/target/linux/mediatek/mt7622/config-4.14
+++ b/target/linux/mediatek/mt7622/config-4.14
@@ -52,6 +52,7 @@ CONFIG_ARM64_PAN=y
 # CONFIG_ARM64_PTDUMP_CORE is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_UAO=y
 CONFIG_ARM64_VA_BITS=39

diff --git a/target/linux/mvebu/cortexa53/config-default b/target/linux/mvebu/cortexa53/config-default
index 4c0ced320d110a36406b9263ea09fceee4b19d63..b631c30f5ff6b786caa5cdf12f144a19ab12cc43 100644 (file)
--- a/target/linux/mvebu/cortexa53/config-default
+++ b/target/linux/mvebu/cortexa53/config-default
@@ -36,6 +36,7 @@ CONFIG_ARM64_PAGE_SHIFT=12
 # CONFIG_ARM64_PTDUMP_CORE is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 # CONFIG_ARM64_UAO is not set
 CONFIG_ARM64_VA_BITS=39

diff --git a/target/linux/mvebu/cortexa72/config-default b/target/linux/mvebu/cortexa72/config-default
index 3c2b2b04463c0076b446de5935218c968a41dfcb..50b8d21c3270372a8e4a1df30f322fec9e66b194 100644 (file)
--- a/target/linux/mvebu/cortexa72/config-default
+++ b/target/linux/mvebu/cortexa72/config-default
@@ -36,6 +36,7 @@ CONFIG_ARM64_PAGE_SHIFT=12
 # CONFIG_ARM64_PTDUMP_CORE is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 # CONFIG_ARM64_UAO is not set
 CONFIG_ARM64_VA_BITS=39

diff --git a/target/linux/octeontx/config-4.14 b/target/linux/octeontx/config-4.14
index cedd6dbd80238b38cdd8737c90a2a1ca20107cbc..fd627d6a261195d3b335785d0d81ddda4d41b5ba 100644 (file)
--- a/target/linux/octeontx/config-4.14
+++ b/target/linux/octeontx/config-4.14
@@ -54,6 +54,7 @@ CONFIG_ARM64_PAN=y
 # CONFIG_ARM64_PTDUMP_CORE is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_UAO=y
 CONFIG_ARM64_VA_BITS=48

diff --git a/target/linux/sunxi/cortexa53/config-default b/target/linux/sunxi/cortexa53/config-default
index 2d9dd0191ad4007920c5a42d32bb6a52c4165305..b1702bc3c2ea762b41752236307d6a9d0812fabd 100644 (file)
--- a/target/linux/sunxi/cortexa53/config-default
+++ b/target/linux/sunxi/cortexa53/config-default
@@ -35,6 +35,7 @@ CONFIG_ARM64_PAGE_SHIFT=12
 # CONFIG_ARM64_PTDUMP_CORE is not set
 # CONFIG_ARM64_PTDUMP_DEBUGFS is not set
 # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 # CONFIG_ARM64_UAO is not set
 CONFIG_ARM64_VA_BITS=39