From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Date: Mon, 7 Sep 2015 13:27:47 +0200 Message-ID: <55ED74B3.3070202@redhat.com> References: <1440132611-26052-1-git-send-email-guangrong.xiao@linux.intel.com> <1440132611-26052-9-git-send-email-guangrong.xiao@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Xiao Guangrong Return-path: Received: from mx1.redhat.com ([209.132.183.28]:50848 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751013AbbIGL1w (ORCPT ); Mon, 7 Sep 2015 07:27:52 -0400 In-Reply-To: <1440132611-26052-9-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On 21/08/2015 06:50, Xiao Guangrong wrote: > > +static void set_clear_2nd_exec_ctrl(u32 ctrls, bool set) > +{ > + u32 exec_ctrl = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); > + > + if (set) > + exec_ctrl |= ctrls; > + else > + exec_ctrl &= ~ctrls; > + > + vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_ctrl); > +} The second argument is always true. Do you have any plans for it? Should we instead add functions like vmcs_or32 and vmcs_clear32? Paolo