From: Shuai Ruan <shuai.ruan@linux.intel.com>
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
Subject: [PATCH 0/3] x86/xsaves: bugs fix
Date: Mon, 22 Feb 2016 13:35:18 +0800 [thread overview]
Message-ID: <1456119321-10384-1-git-send-email-shuai.ruan@linux.intel.com> (raw)
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
next reply other threads:[~2016-02-22 5:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 5:35 Shuai Ruan [this message]
2016-02-22 5:35 ` [PATCH 1/3] x86/xsaves: caculate the xstate_comp_offsets base on xcomp_bv Shuai Ruan
2016-02-22 14:48 ` Jan Beulich
2016-02-22 5:35 ` [PATCH 2/3] x86/xsaves: fix overwriting between non-lazy/lazy xsave[sc] Shuai Ruan
2016-02-22 17:08 ` Jan Beulich
2016-02-24 7:05 ` Shuai Ruan
[not found] ` <20160224070521.GB19785@shuai.ruan@linux.intel.com>
2016-02-24 9:16 ` Jan Beulich
2016-02-26 7:41 ` Shuai Ruan
[not found] ` <20160226074133.GA3825@shuai.ruan@linux.intel.com>
2016-02-26 8:42 ` Jan Beulich
2016-02-29 9:06 ` Shuai Ruan
[not found] ` <20160229090637.GB3825@shuai.ruan@linux.intel.com>
2016-02-29 9:33 ` Jan Beulich
2016-03-02 10:31 ` Shuai Ruan
2016-02-22 5:35 ` [PATCH 3/3] x86/xsaves: ebx may return wrong value using CPUID eax=0xdh, ecx =1 Shuai Ruan
2016-02-22 17:18 ` Jan Beulich
2016-02-24 5:42 ` Shuai Ruan
2016-02-24 6:51 ` Shuai Ruan
[not found] ` <20160224054209.GA24976@shuai.ruan@linux.intel.com>
2016-02-24 9:18 ` Jan Beulich
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