linux-kernel - Re: [GIT PULL] KVM changes for Linux 4.20-rc5

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Message-ID: <7bc25340-cb12-43d1-aefd-01123407a850@redhat.com>
Date:   Fri, 21 Sep 2018 14:16:06 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     gregkh@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, rkrcmar@...hat.com,
        kvm@...r.kernel.org
Subject: Re: [GIT PULL] KVM changes for Linux 4.20-rc5

On 21/09/2018 14:14, Paolo Bonzini wrote:
> Greg,
> 
> The following changes since commit 7876320f88802b22d4e2daf7eb027dd14175a0f8:
> 
>   Linux 4.19-rc4 (2018-09-16 11:52:37 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
> 
> for you to fetch changes up to 26b471c7e2f7befd0f59c35b257749ca57e0ed70:
> 
>   KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs (2018-09-20 18:54:08 +0200)
> 
> ----------------------------------------------------------------
> This pull request is slightly bigger than usual at this stage, but
> I swear I would have sent it the same to Linus!  The main cause for
> this is that I was on vacation until two weeks ago and it took a while
> to sort all the pending patches between 4.20 and 4.21, test them and
> so on.
> 
> It's mostly small bugfixes and cleanups, mostly around x86 nested
> virtualization.  One important change, not related to nested
> virtualization, is that the ability for the guest kernel to trap CPUID
> instructions (in Linux that's the ARCH_SET_CPUID arch_prctl) is now
> masked by default.  This is because the feature is detected through an
> MSR; a very bad idea that Intel seems to like more and more.  Some
> applications choke if the other fields of that MSR are not initialized
> as on real hardware, hence we have to disable the whole MSR by default,
> as was the case before Linux 4.12.
> 
> ----------------------------------------------------------------

A good way to start sending pull requests to you, all version numbers
are off-by-one. :/  That vacation mood is still in the air.

Paolo