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Update the definition of idt_descr

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This commit is contained in:
Takuya Yamamoto 2018-08-25 22:55:13 +09:00
parent 817c915f98
commit 76337791b4
1 changed files with 4 additions and 1 deletions
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Initialization/linux-initialization-2.md
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@ -240,7 +240,10 @@ load_idt((const struct desc_ptr *)&idt_descr);
Where `idt_descr` is:
```C
struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
struct desc_ptr idt_descr __ro_after_init = {
.size = (IDT_ENTRIES * 2 * sizeof(unsigned long)) - 1,
.address = (unsigned long) idt_table,
};
```
and `load_idt` just executes `lidt` instruction: