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x86/speculation/mds: Add mds=full,nosmt cmdline option
authorJosh Poimboeuf <jpoimboe@redhat.com>
Tue, 2 Apr 2019 14:59:33 +0000 (09:59 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 14 May 2019 17:18:45 +0000 (19:18 +0200)
commit19ae10e543855f24ff873212b4a10e1e7b3e99ee
tree95393df85035461463e8812b0aa64202b38d5232tree | snapshot
parenta1f93c538746dd578028efbe35f59dd05945ab51commit | diff
x86/speculation/mds: Add mds=full,nosmt cmdline option

commit d71eb0ce109a124b0fa714832823b9452f2762cf upstream

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/admin-guide/hw-vuln/mds.rst diff | blob | blame | history
Documentation/admin-guide/kernel-parameters.txt diff | blob | blame | history
arch/x86/kernel/cpu/bugs.c diff | blob | blame | history
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