Fix release date

This commit is contained in:
Philipp Oppermann
2018-10-22 14:12:08 +02:00
parent dd2262fc88
commit e34804d23b

View File

@@ -2,7 +2,7 @@
title = "Hardware Interrupts"
order = 8
path = "hardware-interrupts"
date = 2018-10-20
date = 2018-10-22
template = "second-edition/page.html"
+++
@@ -268,7 +268,7 @@ Timestep | _start | interrupt_handler
4 | | `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.