From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5G5s-0004VR-Tz for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:44:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W5G5n-0006GW-U0 for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:44:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:16444) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5G5n-0006GF-Mj for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:44:47 -0500 From: Paolo Bonzini Date: Mon, 20 Jan 2014 15:44:11 +0100 Message-Id: <1390229051-28635-10-git-send-email-pbonzini@redhat.com> In-Reply-To: <1390229051-28635-1-git-send-email-pbonzini@redhat.com> References: <1390229051-28635-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 9/9] kvm: always update the MPX model specific register List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: gleb@kernel.org, Liu Jinsong , mtosatti@redhat.com The original patch from Liu Jinsong restricted them to reset or full state updates, but that's unnecessary (and wrong) since the BNDCFGS MSR has no side effects. Cc: Liu Jinsong Signed-off-by: Paolo Bonzini --- target-i386/kvm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 221c8a0..d34981f 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1161,6 +1161,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level) kvm_msr_entry_set(&msrs[n++], MSR_IA32_MISC_ENABLE, env->msr_ia32_misc_enable); } + if (has_msr_bndcfgs) { + kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs); + } #ifdef TARGET_X86_64 if (lm_capable_kernel) { kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar); @@ -1224,9 +1227,6 @@ static int kvm_put_msrs(X86CPU *cpu, int level) if (cpu->hyperv_vapic) { kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_APIC_ASSIST_PAGE, 0); } - if (has_msr_bndcfgs) { - kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs); - } /* Note: MSR_IA32_FEATURE_CONTROL is written separately, see * kvm_put_msr_feature_control. */ -- 1.8.3.1