Messages in this thread | | | Subject | Re: [PATCH] x86/speculation: Add document to describe Spectre and its mitigations | From | Tim Chen <> | Date | Fri, 21 Dec 2018 17:17:55 -0800 |
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On 12/21/18 1:59 PM, Ben Greear wrote: > On 12/21/18 9:44 AM, Tim Chen wrote: >> Thomas, >> >> Andi and I have made an update to our draft of the Spectre admin guide. >> We may be out on Christmas vacation for a while. But we want to >> send it out for everyone to take a look. > > Can you add a section on how to compile out all mitigations that have anything > beyond negligible performance impact for those running systems where performance > is more important than security? >
If you don't worry about security and performance is paramount, then boot with "nospectre_v2". That's explained in the document.
Tim
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