source: patches/linux-2.6-seg-5.patch@ 12ba0a4

--- linux/arch/i386/kernel/process.c.seg        2005-03-27 13:07:14.000000000 -0800
+++ linux/arch/i386/kernel/process.c    2005-03-28 10:28:47.000000000 -0800
@@ -597,8 +597,8 @@ struct task_struct fastcall * __switch_t
         * Save away %fs and %gs. No need to save %es and %ds, as
         * those are always kernel segments while inside the kernel.
         */
-       asm volatile("movl %%fs,%0":"=m" (*(int *)&prev->fs));
-       asm volatile("movl %%gs,%0":"=m" (*(int *)&prev->gs));
+       asm volatile("mov %%fs,%0":"=m" (prev->fs));
+       asm volatile("mov %%gs,%0":"=m" (prev->gs));
 
        /*
         * Restore %fs and %gs if needed.
--- linux/arch/i386/kernel/vm86.c.seg   2005-03-27 13:07:14.000000000 -0800
+++ linux/arch/i386/kernel/vm86.c       2005-03-28 10:28:47.000000000 -0800
@@ -294,8 +294,8 @@ static void do_sys_vm86(struct kernel_vm
  */
        info->regs32->eax = 0;
        tsk->thread.saved_esp0 = tsk->thread.esp0;
-       asm volatile("movl %%fs,%0":"=m" (tsk->thread.saved_fs));
-       asm volatile("movl %%gs,%0":"=m" (tsk->thread.saved_gs));
+       asm volatile("mov %%fs,%0":"=m" (tsk->thread.saved_fs));
+       asm volatile("mov %%gs,%0":"=m" (tsk->thread.saved_gs));
 
        tss = &per_cpu(init_tss, get_cpu());
        tsk->thread.esp0 = (unsigned long) &info->VM86_TSS_ESP0;
--- linux/arch/x86_64/kernel/process.c.seg      2005-03-27 13:07:49.000000000 -0800
+++ linux/arch/x86_64/kernel/process.c  2005-03-28 11:11:04.206766410 -0800
@@ -391,10 +391,10 @@ int copy_thread(int nr, unsigned long cl
        p->thread.fs = me->thread.fs;
        p->thread.gs = me->thread.gs;
 
-       asm("movl %%gs,%0" : "=m" (p->thread.gsindex));
-       asm("movl %%fs,%0" : "=m" (p->thread.fsindex));
-       asm("movl %%es,%0" : "=m" (p->thread.es));
-       asm("movl %%ds,%0" : "=m" (p->thread.ds));
+       asm("mov %%gs,%0" : "=m" (p->thread.gsindex));
+       asm("mov %%fs,%0" : "=m" (p->thread.fsindex));
+       asm("mov %%es,%0" : "=m" (p->thread.es));
+       asm("mov %%ds,%0" : "=m" (p->thread.ds));
 
        if (unlikely(me->thread.io_bitmap_ptr != NULL)) { 
                p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
@@ -457,11 +457,11 @@ struct task_struct *__switch_to(struct t
         * Switch DS and ES.
         * This won't pick up thread selector changes, but I guess that is ok.
         */
-       asm volatile("movl %%es,%0" : "=m" (prev->es)); 
+       asm volatile("mov %%es,%0" : "=m" (prev->es)); 
        if (unlikely(next->es | prev->es))
                loadsegment(es, next->es); 
        
-       asm volatile ("movl %%ds,%0" : "=m" (prev->ds)); 
+       asm volatile ("mov %%ds,%0" : "=m" (prev->ds)); 
        if (unlikely(next->ds | prev->ds))
                loadsegment(ds, next->ds);
 
@@ -472,7 +472,7 @@ struct task_struct *__switch_to(struct t
         */
        { 
                unsigned fsindex;
-               asm volatile("movl %%fs,%0" : "=g" (fsindex)); 
+               asm volatile("movl %%fs,%0" : "=r" (fsindex)); 
                /* segment register != 0 always requires a reload. 
                   also reload when it has changed. 
                   when prev process used 64bit base always reload
@@ -493,7 +493,7 @@ struct task_struct *__switch_to(struct t
        }
        { 
                unsigned gsindex;
-               asm volatile("movl %%gs,%0" : "=g" (gsindex)); 
+               asm volatile("movl %%gs,%0" : "=r" (gsindex)); 
                if (unlikely(gsindex | next->gsindex | prev->gs)) {
                        load_gs_index(next->gsindex);
                        if (gsindex)
--- linux/include/asm-i386/system.h.seg 2005-03-27 13:09:12.000000000 -0800
+++ linux/include/asm-i386/system.h     2005-03-28 10:28:47.000000000 -0800
@@ -81,7 +81,7 @@ static inline unsigned long _get_base(ch
 #define loadsegment(seg,value)                 \
        asm volatile("\n"                       \
                "1:\t"                          \
-               "movl %0,%%" #seg "\n"          \
+               "mov %0,%%" #seg "\n"           \
                "2:\n"                          \
                ".section .fixup,\"ax\"\n"      \
                "3:\t"                          \
@@ -93,13 +93,13 @@ static inline unsigned long _get_base(ch
                ".align 4\n\t"                  \
                ".long 1b,3b\n"                 \
                ".previous"                     \
-               : :"m" (*(unsigned int *)&(value)))
+               : :"m" (value))
 
 /*
  * Save a segment register away
  */
 #define savesegment(seg, value) \
-       asm volatile("movl %%" #seg ",%0":"=m" (*(int *)&(value)))
+       asm volatile("mov %%" #seg ",%0":"=m" (value))
 
 /*
  * Clear and set 'TS' bit respectively