1 files changed, 1 insertions, 2 deletions

diff --git a/bootasm.S b/bootasm.S
index 4b2e012..0d8f2a5 100644
--- a/bootasm.S
+++ b/bootasm.S
@@ -86,8 +86,7 @@ gdt:
   SEG_NULLASM                             # null seg
   SEG_ASM(STA_X|STA_R, 0x0, 0xffffffff)   # code seg
   SEG_ASM(STA_W, 0x0, 0xffffffff)         # data seg
-  SEG_ASM(STA_W, 0x100, 0xffffffff)       # per-cpu data seg; 0x100 is okay for now
 
 gdtdesc:
-  .word   0x1f                            # sizeof(gdt) - 1
+  .word   (gdtdesc - gdt - 1)                            # sizeof(gdt) - 1
   .long   gdt                             # address gdt