Messages in this thread | | | Subject | Re: [PATCH v2 1/2] x86/speculation: Fix incorrect MDS/TAA mitigation status | From | Waiman Long <> | Date | Sun, 17 Nov 2019 20:17:26 -0500 |
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On 11/15/19 3:21 PM, Boris Petkov wrote: > On November 15, 2019 8:35:54 PM GMT+01:00, Thomas Gleixner <tglx@linutronix.de> wrote: >> See the last sentence of the paragraph you replied to :) > Proves even more that this should be documented in *all* places that talk about TAA cmdline options and we should not rely on references but write stuff out everywhere so that people can see it directly. > >> But serioulsy, yes we should mention the interaction in >> kernel-parameters.txt as well. Something like: >> >> off - Unconditionally disable MDS mitigation. >> + On TAA affected machines, mds=off can be prevented >> + by an active TAA mitigation as both vulnerabilities >> + are mitigated with the same mechanism. >> >> and the other way round for TAA. > Ack. > Sorry for late reply as I am out on Friday afternoon. On hindsight, I should have added relevant description to kernel-parameters.txt as it is the mostly read kernel document.
Acked-by: Waiman Long <longman@redhat.com>
Thanks, Longman
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