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ARM: report Spectre v2 status through sysfs
authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Fri, 11 Feb 2022 16:45:54 +0000 (16:45 +0000)
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Sat, 5 Mar 2022 10:41:22 +0000 (10:41 +0000)
commit9dd78194a3722fa6712192cdd4f7032d45112a9a
tree5ee76e8cebc54c104407856e61f83d47c9bf52ee
parentdf0cc57e057f18e44dac8e6c18aba47ab53202f9
ARM: report Spectre v2 status through sysfs

As per other architectures, add support for reporting the Spectre
vulnerability status via sysfs CPU.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
arch/arm/include/asm/spectre.h [new file with mode: 0644]
arch/arm/kernel/Makefile
arch/arm/kernel/spectre.c [new file with mode: 0644]
arch/arm/mm/Kconfig
arch/arm/mm/proc-v7-bugs.c