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minor typo (#949)

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I think this is missing a preposition.
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Alexx Roche
2021-03-22 09:23:35 +01:00
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parent 05b22bfa69
commit 7ac5fc903b
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blog/content/edition-2/posts/06-double-faults/index.md
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@@ -330,7 +330,7 @@ The problem is that the GDT segments are not yet active because the segment and
In summary, we need to do the following: In summary, we need to do the following:
1. **Reload code segment register**: We changed our GDT, so we should reload `cs`, the code segment register. This is required since the old segment selector could point a different GDT descriptor now (e.g. a TSS descriptor). 1. **Reload code segment register**: We changed our GDT, so we should reload `cs`, the code segment register. This is required since the old segment selector could point to a different GDT descriptor now (e.g. a TSS descriptor).
2. **Load the TSS** : We loaded a GDT that contains a TSS selector, but we still need to tell the CPU that it should use that TSS. 2. **Load the TSS** : We loaded a GDT that contains a TSS selector, but we still need to tell the CPU that it should use that TSS.
3. **Update the IDT entry**: As soon as our TSS is loaded, the CPU has access to a valid interrupt stack table (IST). Then we can tell the CPU that it should use our new double fault stack by modifying our double fault IDT entry. 3. **Update the IDT entry**: As soon as our TSS is loaded, the CPU has access to a valid interrupt stack table (IST). Then we can tell the CPU that it should use our new double fault stack by modifying our double fault IDT entry.