Thread (15 messages) 15 messages, 8 authors, 2020-01-23

Re: [RFC PATCH V2 11/11] x86: tsc: avoid system instability in hibernation

From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: 2020-01-23 16:28:35
Also in: linux-mm, linux-pm, lkml, xen-devel


On 1/22/20 3:07 PM, Anchal Agarwal wrote:
quoted
In this case tsc_verify_tsc_adjust(true) this does nothing as
feature bit X86_FEATURE_TSC_ADJUST is not available to guest. 

Is it not available to your specific guest? Because AFAICT it is
available in general (to HVM/PVH guests).

4. Also, the instances do not have InvariantTSC exposed.
If you specify "nomigrate=true" in your configuration file you should
have that feature enabled.


-boris
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