x86/litf: Introduce vmx status variable

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Store the effective mitigation of VMX in a status variable and use it to
report the VMX state in the l1tf sysfs file.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20180713142322.433098358@linutronix.de

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This commit is contained in:

Thomas Gleixner 2018-07-13 16:23:16 +02:00

parent 215af5499d

commit 72c6d2db64

3 changed files with 54 additions and 13 deletions

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9

arch/x86/include/asm/vmx.h

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36

arch/x86/kernel/cpu/bugs.c

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22

arch/x86/kvm/vmx.c

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