x86/speculation/mds: Add mds=full,nosmt cmdline option

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Add the mds=full,nosmt cmdline option.  This is like mds=full, but with
SMT disabled if the CPU is vulnerable.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>

...

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Josh Poimboeuf 2019-04-02 09:59:33 -05:00 • committed by Thomas Gleixner

parent 5999bbe7a6

commit d71eb0ce10

3 changed files with 17 additions and 2 deletions

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3

Documentation/admin-guide/hw-vuln/mds.rst

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6

Documentation/admin-guide/kernel-parameters.txt

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10

arch/x86/kernel/cpu/bugs.c

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