Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753207AbaLDIYk (ORCPT ); Thu, 4 Dec 2014 03:24:40 -0500 Received: from mga11.intel.com ([192.55.52.93]:14908 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753162AbaLDIYi (ORCPT ); Thu, 4 Dec 2014 03:24:38 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,514,1413270000"; d="scan'208";a="642209498" From: Wanpeng Li To: Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Wanpeng Li Subject: [PATCH 3/4] kvm: cpuid: fix xsave area size of XSAVEC Date: Thu, 4 Dec 2014 16:24:27 +0800 Message-Id: <1417681468-7165-3-git-send-email-wanpeng.li@linux.intel.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1417681468-7165-1-git-send-email-wanpeng.li@linux.intel.com> References: <1417681468-7165-1-git-send-email-wanpeng.li@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org XSAVEC also use the compacted format for the extended region of the XSAVE area. This patch fix it by caculate the size of XSAVEC extended region of XSAVE area as compact format. Signed-off-by: Wanpeng Li --- arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 70f0fa1..e16a0c7 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -92,7 +92,7 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) } best = kvm_find_cpuid_entry(vcpu, 0xD, 1); - if (best && (best->eax & F(XSAVES))) + if (best && (best->eax & (F(XSAVES) || F(XSAVEC)))) best->ebx = xstate_required_size(vcpu->arch.xcr0, true); /* -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/