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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id y34sm42293826wrd.68.2018.12.22.12.59.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 22 Dec 2018 12:59:19 -0800 (PST) Date: Sat, 22 Dec 2018 21:59:16 +0100 From: Ingo Molnar To: Paolo Bonzini Cc: Borislav Petkov , torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, rkrcmar@redhat.com, kvm@vger.kernel.org Subject: Re: [GIT PULL] Last straggler for 4.20-rc8 or final Message-ID: <20181222205916.GA64950@gmail.com> References: <1545397742-48818-1-git-send-email-pbonzini@redhat.com> <20181221224040.GA25147@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paolo Bonzini wrote: > On 21/12/18 23:40, Borislav Petkov wrote: > > + mingo. > > > > On Fri, Dec 21, 2018 at 02:09:02PM +0100, Paolo Bonzini wrote: > >> Linus, > >> > >> The following changes since commit 7566ec393f4161572ba6f11ad5171fd5d59b0fbd: > >> > >> Linux 4.20-rc7 (2018-12-16 15:46:55 -0800) > >> > >> are available in the git repository at: > >> > >> https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus > >> > >> for you to fetch changes up to 3cf85f9f6bd7b172122865432b4c6f0ec844e22a: > >> > >> KVM: x86: nSVM: fix switch to guest mmu (2018-12-19 22:19:22 +0100) > >> > >> A simple patch for a pretty bad bug. I haven't yet sent my 4.21 pull > >> request because currently I'm waiting for a patch to be removed from > >> tip (MPX removal breaks KVM live migration and was committed without > >> Cc or Ack from me) and until that happens I cannot finalize my > >> conflict resolution instructions. > > > > Lemme make sure I understand it correctly: you'd like us to not send > > > > https://git.kernel.org/tip/eb012ef3b4e331ae479dd7cd9378041d9b7f851c > > > > up now and delay it for 4.22, right? > > Right, and also I will have to provide you with a topic branch to base > that patch on. Ok - x86/mpx delayed for v4.22 at least. Can we turn off CONFIG_X86_INTEL_MPX configurability in the Kconfig, via a patch like below? Thanks, Ingo arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8689e794a43c..20fd5695f265 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1870,6 +1870,7 @@ config X86_INTEL_MPX def_bool n # Note: only available in 64-bit mode due to VMA flags shortage depends on CPU_SUP_INTEL && X86_64 + depends on DEPRECATED select ARCH_USES_HIGH_VMA_FLAGS ---help--- MPX provides hardware features that can be used in