From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shuai Ruan Subject: [PATCH 0/3] x86/xsaves: bugs fix Date: Mon, 22 Feb 2016 13:35:18 +0800 Message-ID: <1456119321-10384-1-git-send-email-shuai.ruan@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: wei.liu2@citrix.com, Ian.Campbell@citrix.com, stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, jbeulich@suse.com, keir@xen.org List-Id: xen-devel@lists.xenproject.org This patch fix bugs caused by previous patch: 1. xstate_comp_offset should be caculated based on xcomp_bv 2. non-lazy/lazy xsave[sc] may overwiting xsave area 3. ebx may return wrong value using CPUID eax=0xdh,ecx =1 The fist and second bugs is found by Jan. Thanks to Jan. Shuai Ruan (3): x86/xsaves: caculate the xstate_comp_offsets base on xcomp_bv x86/xsaves: fix overwriting between non-lazy/lazy xsave[sc] x86/xsaves: ebx may return wrong value using CPUID eax=0xdh,ecx =1 tools/libxc/xc_cpuid_x86.c | 10 ++++++++-- xen/arch/x86/hvm/hvm.c | 12 ++++++++++++ xen/arch/x86/i387.c | 2 +- xen/arch/x86/xstate.c | 29 +++++++++++++++++++++-------- xen/include/asm-x86/xstate.h | 1 + 5 files changed, 43 insertions(+), 11 deletions(-) -- 1.9.1