GDB_FS 95 arch/x86/kernel/kgdb.c regno == GDB_SS || regno == GDB_FS || regno == GDB_GS || GDB_FS 122 arch/x86/kernel/kgdb.c case GDB_FS: GDB_FS 160 arch/x86/kernel/kgdb.c gdb_regs[GDB_FS] = 0xFFFF;