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Commit c58d237d authored by Russell King's avatar Russell King
Browse files

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: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Boot-tested-by: default avatarTony Lindgren <tony@atomide.com>
Reviewed-by: default avatarTony Lindgren <tony@atomide.com>
Acked-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 9d3a0492

arch/arm/mm/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -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