From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41722 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753283AbeDYOZb (ORCPT ); Wed, 25 Apr 2018 10:25:31 -0400 Date: Wed, 25 Apr 2018 16:25:24 +0200 From: Greg KH To: Youquan Song Cc: stable@vger.kernel.org, tim.c.chen@linux.intel.com, ashok.raj@intel.com, dave.hansen@intel.com, yi.y.sun@linux.intel.com, youquan.song@linux.intel.com, Jim Mattson Subject: Re: [PATCH 15/24] KVM: nVMX: Eliminate vmcs02 pool Message-ID: <20180425142524.GA25610@kroah.com> References: <1524021512-24022-1-git-send-email-youquan.song@intel.com> <1524021512-24022-16-git-send-email-youquan.song@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1524021512-24022-16-git-send-email-youquan.song@intel.com> Sender: stable-owner@vger.kernel.org List-ID: On Wed, Apr 18, 2018 at 11:18:23AM +0800, Youquan Song wrote: > From: Jim Mattson > > (cherry picked from commit de3a0021a60635de96aa92713c1a31a96747d72c) > > The potential performance advantages of a vmcs02 pool have never been > realized. To simplify the code, eliminate the pool. Instead, a single > vmcs02 is allocated per VCPU when the VCPU enters VMX operation. > > Cc: stable@vger.kernel.org # prereq for Spectre mitigation > Signed-off-by: Jim Mattson > Signed-off-by: Mark Kanda > Reviewed-by: Ameya More > Reviewed-by: David Hildenbrand > Reviewed-by: Paolo Bonzini > Signed-off-by: Radim Krčmář > Signed-off-by: David Woodhouse > Signed-off-by: Yi Sun [v4.4 backport] > > Conflicts: > arch/x86/kvm/vmx.c What are these two lines doing here? That implies this isn't a "clean" backport :( Please fix up... thanks, greg k-h