[PATCH v4 0/5] Some optimizations related to sgx

[Tianjia Zhang]

This is an optimization of a set of sgx-related codes, each of which
is independent of the patch. Because the second and third patches have
conflicting dependencies, these patches are put together.

---
v4 changes:
  * Improvements suggested by review

v3 changes:
  * split free_cnt count and spin lock optimization into two patches

v2 changes:
  * review suggested changes

Tianjia Zhang (5):
  selftests/x86: Use getauxval() to simplify the code in sgx
  x86/sgx: Reduce the locking range in sgx_sanitize_section()
  x86/sgx: Optimize the free_cnt count in sgx_epc_section
  x86/sgx: Allows ioctl PROVISION to execute before CREATE
  x86/sgx: Remove redundant if conditions in sgx_encl_create

 arch/x86/kernel/cpu/sgx/driver.c   |  1 +
 arch/x86/kernel/cpu/sgx/ioctl.c    |  8 ++++----
 arch/x86/kernel/cpu/sgx/main.c     | 13 +++++--------
 tools/testing/selftests/sgx/main.c | 24 ++++--------------------
 4 files changed, 14 insertions(+), 32 deletions(-)

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2.19.1.3.ge56e4f7