Commit Graph

4 Commits

Author SHA1 Message Date
Li, Fei1
d7d2ef8c88 hv: xsave: remove is_xsave_supported
Update X86_FEATURE_OSXSAVE when enabled and replace is_xsave_supported
with cpu_has_cap(X86_FEATURE_OSXSAVE).

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-05-15 17:25:55 +08:00
Yonghua Huang
316731c9a5 hv: pass-through xsave feature to guests
enable Xsave feature and pass-through it to guests
 update based on v2:
  - enable host xsave before expose it to guests.
  - add validation for the value to be set to 'xcr0' before call xsetbv
    when handling xsetbv vmexit.
  - tested in SOS guest, created two threads to do different
    FP calculations,test code runs in user land of sos.

Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-05-15 17:25:23 +08:00
Li, Fei1
6c1122f869 cpuid restruct
Generate all common virtual cpuid entries for flexible support of
guest VCPUID emulation, by decoupling from PCPUID.

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Acked-by: Chen, Jason CJ <jason.cj.chen@intel.com>
2018-05-15 17:19:38 +08:00
Eddie Dong
7a3a539b17 initial import
internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>
2018-05-11 14:44:28 +08:00