linux-kernel - [PATCH 1/2] PM: Wait for console in resume.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1233372459-6434-1-git-send-email-arve@android.com>
Date:	Fri, 30 Jan 2009 19:27:38 -0800
From:	Arve Hjønnevåg <arve@...roid.com>
To:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Cc:	swetland@...gle.com, pavel@....cz,
	Arve Hjønnevåg <arve@...roid.com>
Subject: [PATCH 1/2] PM: Wait for console in resume.

Avoids later waking up to a blinking cursor if the device
woke up and returned to sleep before the console switch happened.

Signed-off-by: Brian Swetland <swetland@...gle.com>
Signed-off-by: Arve Hjønnevåg <arve@...roid.com>
---
 kernel/power/console.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/kernel/power/console.c b/kernel/power/console.c
index b8628be..a3961b2 100644
--- a/kernel/power/console.c
+++ b/kernel/power/console.c
@@ -78,6 +78,12 @@ void pm_restore_console(void)
 	}
 	set_console(orig_fgconsole);
 	release_console_sem();
+
+	if (vt_waitactive(orig_fgconsole)) {
+		pr_debug("Resume: Can't switch VCs.");
+		return;
+	}
+
 	kmsg_redirect = orig_kmsg;
 }
 #endif
-- 
1.6.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/