From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60833) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQH2K-0004BT-Ee for qemu-devel@nongnu.org; Sun, 08 Jan 2017 12:13:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQH2H-0006GO-Pr for qemu-devel@nongnu.org; Sun, 08 Jan 2017 12:13:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58012) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cQH2H-0006G3-K1 for qemu-devel@nongnu.org; Sun, 08 Jan 2017 12:13:37 -0500 From: Eduardo Habkost Date: Sun, 8 Jan 2017 15:13:29 -0200 Message-Id: <20170108171330.11129-2-ehabkost@redhat.com> In-Reply-To: <20170108171330.11129-1-ehabkost@redhat.com> References: <20170108171330.11129-1-ehabkost@redhat.com> Subject: [Qemu-devel] [PATCH v2 1/2] kvm: Simplify invtsc check List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Marcelo Tosatti , Paolo Bonzini , kvm@vger.kernel.org, Haozhong Zhang Instead of searching the table we have just built, we can check the env->features field directly. Reviewed-by: Marcelo Tosatti Signed-off-by: Eduardo Habkost --- target/i386/kvm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 10a9cd8f7f..a26290fdc1 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -962,8 +962,8 @@ int kvm_arch_init_vcpu(CPUState *cs) has_msr_mcg_ext_ctl = has_msr_feature_control = true; } - c = cpuid_find_entry(&cpuid_data.cpuid, 0x80000007, 0); - if (c && (c->edx & 1<<8) && invtsc_mig_blocker == NULL) { + if ((env->features[FEAT_8000_0007_EDX] & CPUID_APM_INVTSC) && + invtsc_mig_blocker == NULL) { /* for migration */ error_setg(&invtsc_mig_blocker, "State blocked by non-migratable CPU device" -- 2.11.0.259.g40922b1