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    tss_desc->dpl = PL_KERNEL;
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    tss_desc->dpl = PL_KERNEL;
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    gdt_tss_setbase(&gdt_p[TSS_DES], (__address) tss_p);
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    gdt_tss_setbase(&gdt_p[TSS_DES], (__address) tss_p);
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    gdt_tss_setlimit(&gdt_p[TSS_DES], sizeof(struct tss) - 1);
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    gdt_tss_setlimit(&gdt_p[TSS_DES], sizeof(struct tss) - 1);
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    __asm__("lgdt %0" : : "m"(gdtr));
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    gdtr_load(&gdtr);
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    __asm__("lidt %0" : : "m"(idtr));
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    idtr_load(&idtr);
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    /*
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    /*
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     * As of this moment, the current CPU has its own GDT pointing
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     * As of this moment, the current CPU has its own GDT pointing
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     * to its own TSS. We just need to load the TR register.
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     * to its own TSS. We just need to load the TR register.
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     */
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     */
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    __asm__("ltr %0" : : "r" ((__u16) gdtselector(TSS_DES)));
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    tr_load(gdtselector(TSS_DES));
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}
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}