diff options
Diffstat (limited to 'debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch')
| -rw-r--r-- | debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch b/debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch index bc4f44f50..07a845599 100644 --- a/debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch +++ b/debian/patches-rt/0208-printk-Drop-the-logbuf_lock-more-often.patch @@ -1,8 +1,7 @@ -From b4bf7654e00cd7da0d18577698e25eb199de2d57 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Thu, 21 Mar 2013 19:01:05 +0100 -Subject: [PATCH 208/347] printk: Drop the logbuf_lock more often -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz +Subject: [PATCH 208/342] printk: Drop the logbuf_lock more often +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=51849f67a7bf243a541853e4d207d4e94fd82a78 The lock is hold with irgs off. The latency drops 500us+ on my arm bugs with a "full" buffer after executing "dmesg" on the shell. @@ -78,6 +77,3 @@ index 273f2c7864b5..1e0988a0bb97 100644 logbuf_unlock_irq(); kfree(text); --- -2.36.1 - |