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Subject: Re: [BISECTED] KVM error with 5.0-rc
To:     Sean Christopherson <sean.j.christopherson@intel.com>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Paolo Bonzini <pbonzini@redhat.com>
References: <c8d44a6a-bdb6-6b8c-4a50-1d152a3964f8@skogtun.org>
 <20190114183319.GB5141@linux.intel.com>
From:   Harald Arnesen <harald@skogtun.org>
Message-ID: <e0633c94-e0a3-a764-a69a-544890e02f63@skogtun.org>
Date:   Mon, 14 Jan 2019 20:17:10 +0100
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Sean Christopherson [14.01.2019 19:33]:

> On Mon, Jan 14, 2019 at 06:04:27PM +0100, Harald Arnesen wrote:
>> Qemu with KVM acceleration fails with kernel 5.0-rc1 and 5.0-rc2.
>> It works fine with 4.20.

> Can you test the attached patch?  Found a bug when re-inspecting the
> guilty commit, the wrong VMCS field is being modifying when applying an
> errata to disable VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL.  Your CPU is
> listed as one of the models affected by the errata.  Compile tested only.

Yes, this patch fixes the error.

Feel free to add a "Tested-by: Harald Arnesen <harald@skogtun.org>".
-- 
Hilsen Harald