Date: Thu, 5 Jul 2018 14:23:15 +0100 From: Pete French <petefrench@ingresso.co.uk> To: Konstantin Belousov <kostikbel@gmail.com> Cc: avg@freebsd.org, eric@vangyzen.net, freebsd-stable@freebsd.org, freebsd@hda3.com, truckman@FreeBSD.org Subject: Re: Ryzen issues on FreeBSD ? (with sort of workaround) Message-ID: <b1e2dd4e-31e2-e98d-1324-1464bb40233b@ingresso.co.uk> In-Reply-To: <20180705104720.GE5562@kib.kiev.ua> References: <20180705103135.GD5562@kib.kiev.ua> <E1fb1jV-0000yT-B2@dilbert.ingresso.co.uk> <20180705104720.GE5562@kib.kiev.ua>
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On 05/07/2018 11:47, Konstantin Belousov wrote: > Why do you state that they are saved/restored ? What is the evidence ? https://software.intel.com/en-us/blogs/2009/06/25/virtualization-and-performance-understanding-vm-exits specificly... 3) "Save MSRs in the VM-exit MSR-store area." and 5) "Load MSRs from the VM-exit MSR-load area." but maybe thats not actyually true, I assumed it was given its an Intel document, but admittedly its not an actual specification. > On VM the patch should be NOP, testing it is a waste of time IMO. OK, will ignore that then. I am running the new patch on my workstation now - I still need the old patch for the other files, yes ? -pete.
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