From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v1 0/2] vpopcntdq support Date: Tue, 10 Jan 2017 18:39:08 +0100 Message-ID: References: <20170110173403.6010-1-piotr.luc@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Piotr Luc , x86@kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:58762 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764364AbdAJRjL (ORCPT ); Tue, 10 Jan 2017 12:39:11 -0500 In-Reply-To: <20170110173403.6010-1-piotr.luc@intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On 10/01/2017 18:34, Piotr Luc wrote: > Hi, > > This patchset adds the support for new CPUID feature bit that announces the > vector population count instructions for dwords and qwords. > > The path 1/2 adds new feature flags and handles clearing the feature bit in > case xsave is not enabled. > > The patch 2/2 enables passing the feature bit to a kvm/quemu guest. > > The patchset is based on v4.10-rc3. Thanks. I can use a topic branch for patch 1 to apply patch 2. Regards, Paolo > Regards, > Piotr > > Piotr Luc (2): > x86/cpufeature: Add AVX512_VPOPCNTDQ feature > kvm: x86: Expose Intel VPOPCNTDQ feature to guest > > arch/x86/include/asm/cpufeatures.h | 2 +- > arch/x86/kernel/fpu/xstate.c | 1 + > arch/x86/kvm/cpuid.c | 2 +- > tools/arch/x86/include/asm/cpufeatures.h | 1 + > 4 files changed, 4 insertions(+), 2 deletions(-) >