can set just %gs now.

yutaoxu · Sep 2, 2009 · d26025d · d26025d
1 parent 7e0cc8e
commit d26025d
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/proc.c b/proc.c
@@ -72,10 +72,9 @@ ksegment(void)
   c->gdt[SEG_KDATA] = SEG(STA_W, 0, 0xffffffff, 0);
   c->gdt[SEG_KCPU] = SEG(STA_W, &c->cpu, 8, 0);
   lgdt(c->gdt, sizeof(c->gdt));
-  loadfsgs(SEG_KCPU << 3);
+  loadgs(SEG_KCPU << 3);
 
   // Initialize cpu-local storage.
-  asm volatile("");  // Do not let gcc reorder across this line.
   cpu = c;
   proc = 0;
 }

diff --git a/x86.h b/x86.h
@@ -104,9 +104,8 @@ xchg(volatile uint *addr, uint newval)
 }
 
 static inline void
-loadfsgs(ushort v)
+loadgs(ushort v)
 {
-  asm volatile("movw %0, %%fs" : : "r" (v));
   asm volatile("movw %0, %%gs" : : "r" (v));
 }