From 1b949e975922b03e5366011a646c3a41b298dc51 Mon Sep 17 00:00:00 2001
From: Earl Ou <shunhsingou@google.com>
Date: Wed, 1 Feb 2023 21:55:05 -0800
Subject: [PATCH] dev: terminal: run pollevent in terminal eventq

Change-Id: Idefda0ca1cd71d3e790d470458fa1cd370393c4a
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67532
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---
 src/dev/serial/terminal.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/dev/serial/terminal.cc b/src/dev/serial/terminal.cc
index 52dbb9ede6..d4108a372d 100644
--- a/src/dev/serial/terminal.cc
+++ b/src/dev/serial/terminal.cc
@@ -87,6 +87,10 @@ Terminal::ListenEvent::ListenEvent(Terminal *t, int fd, int e)
 void
 Terminal::ListenEvent::process(int revent)
 {
+    // As a consequence of being called from the PollQueue, we might
+    // have been called from a different thread. Migrate to "our"
+    // thread.
+    EventQueue::ScopedMigration migrate(term->eventQueue());
     term->accept();
 }