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Fix release date

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Philipp Oppermann
2018-10-22 14:12:08 +02:00
parent dd2262fc88
commit e34804d23b
1 changed files with 2 additions and 2 deletions
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4
blog/content/second-edition/posts/08-hardware-interrupts/index.md
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@@ -2,7 +2,7 @@
title = "Hardware Interrupts" title = "Hardware Interrupts"
order = 8 order = 8
path = "hardware-interrupts" path = "hardware-interrupts"
date = 2018-10-20 date = 2018-10-22
template = "second-edition/page.html" template = "second-edition/page.html"
+++ +++
@@ -268,7 +268,7 @@ Timestep | _start | interrupt_handler
4 | | `print` tries to lock `WRITER` (already locked) 4 | | `print` tries to lock `WRITER` (already locked)
5 | | `print` tries to lock `WRITER` (already locked) 5 | | `print` tries to lock `WRITER` (already locked)
… | | … … | | …
_never_ | _unlock `WRITER`_ | _never_ | _unlock `WRITER`_ |
The `WRITER` is locked, so the interrupt handler waits until it becomes free. But this never happens, because the `_start` function only continues to run after the interrupt handler returns. Thus the complete system hangs. The `WRITER` is locked, so the interrupt handler waits until it becomes free. But this never happens, because the `_start` function only continues to run after the interrupt handler returns. Thus the complete system hangs.