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. --- v5 changes: * Remove the two patches with no actual value * Typo fix in commit message 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 (3): selftests/x86: Use getauxval() to simplify the code in sgx 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 ++++---- tools/testing/selftests/sgx/main.c | 24 ++++-------------------- 3 files changed, 9 insertions(+), 24 deletions(-) -- 2.19.1.3.ge56e4f7