x86/speculation/mds: Add SMT warning message

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commit 39226ef02b upstream.

MDS is vulnerable with SMT.  Make that clear with a one-time printk
whenever SMT first gets enabled.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Josh Poimboeuf 2019-04-02 10:00:51 -05:00 • committed by Ben Hutchings

parent 5d2673f7a4

commit f1d5370439

1 changed files with 8 additions and 0 deletions

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arch/x86/kernel/cpu/bugs.c

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