[Xen-devel] [PATCH 0/3] x86/xsaves: bugs fix

[Shuai Ruan <shuai.ruan@xxxxxxxxxxxxxxx>]

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


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