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authorRussell King <rmk+kernel@armlinux.org.uk>2018-05-14 11:56:36 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2018-05-31 10:39:51 +0100
commitc58d237d0852a57fde9bc2c310972e8f4e3d155d (patch)
tree16c9f9e1bdad19275d613a45b2576301ca3c8901 /arch/arm/mm/Kconfig
parent9d3a04925deeabb97c8e26d940b501a2873e8af3 (diff)
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ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre
Add a Kconfig symbol for CPUs which are vulnerable to the Spectre attacks. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Boot-tested-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Tony Lindgren <tony@atomide.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/mm/Kconfig')
-rw-r--r--arch/arm/mm/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 7f14acf67caf..6f3ef86b4cb7 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -415,6 +415,7 @@ config CPU_V7
select CPU_CP15_MPU if !MMU
select CPU_HAS_ASID if MMU
select CPU_PABRT_V7
+ select CPU_SPECTRE if MMU
select CPU_THUMB_CAPABLE
select CPU_TLB_V7 if MMU
@@ -826,6 +827,9 @@ config CPU_BPREDICT_DISABLE
help
Say Y here to disable branch prediction. If unsure, say N.
+config CPU_SPECTRE
+ bool
+
config TLS_REG_EMUL
bool
select NEED_KUSER_HELPERS