[PATCH v4 05/15] ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre
From: Russell King <hidden>
Date: 2018-05-29 09:09:22
Also in:
kvmarm
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Add a Kconfig symbol for CPUs which are vulnerable to the Spectre attacks. Signed-off-by: Russell King <redacted> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Boot-tested-by: Tony Lindgren [off-list ref] Reviewed-by: Tony Lindgren <tony@atomide.com> --- arch/arm/mm/Kconfig | 4 ++++ 1 file changed, 4 insertions(+)
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
--
2.7.4