Lines Matching refs:instructions

69 Accessing FS/GS base with the FSGSBASE instructions
73  instructions to access the FS and GS base registers directly from user
74  space. These instructions are also supported on AMD Family 17H CPUs. The
75  following instructions are available:
84  The instructions avoid the overhead of the arch_prctl() syscall and allow
90 FSGSBASE instructions enablement
92  The instructions are enumerated in CPUID leaf 7, bit 0 of EBX. If
95  The availability of the instructions does not enable them
103  instructions will fault with a #UD exception.
107  kernel has FSGSBASE instructions enabled and applications can use them.
125 FSGSBASE instructions compiler support
129 instructions. Clang 5 supports them as well.