Re: FAILED: patch "[PATCH] KVM: VMX: Add non-canonical check on writes to RTIT address" failed to apply to 4.19-stable tree

[Sasha Levin <sashal@kernel.org>]

On Sun, Feb 09, 2020 at 01:31:58PM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.19-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From fe6ed369fca98e99df55c932b85782a5687526b5 Mon Sep 17 00:00:00 2001
>From: Sean Christopherson <sean.j.christopherson@intel.com>
>Date: Tue, 10 Dec 2019 15:24:32 -0800
>Subject: [PATCH] KVM: VMX: Add non-canonical check on writes to RTIT address
> MSRs
>
>Reject writes to RTIT address MSRs if the data being written is a
>non-canonical address as the MSRs are subject to canonical checks, e.g.
>KVM will trigger an unchecked #GP when loading the values to hardware
>during pt_guest_enter().
>
>Cc: stable@vger.kernel.org
>Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
>Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

File/code movement. Cleaned up and queued for 4.19-4.4.

-- 
Thanks,
Sasha