diff options
Diffstat (limited to 'debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch')
| -rw-r--r-- | debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch b/debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch index 8908254e0..6101866d1 100644 --- a/debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch +++ b/debian/patches-rt/0132-tasklets-Replace-barrier-with-cpu_relax-in-tasklet_u.patch @@ -1,9 +1,9 @@ -From 8127bb05947dbb12f9537095932d6a7a7a07d09e Mon Sep 17 00:00:00 2001 +From 21e3035d835cb0443eedc30da35daa6a511c8c21 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 9 Mar 2021 09:42:04 +0100 Subject: [PATCH 132/323] tasklets: Replace barrier() with cpu_relax() in tasklet_unlock_wait() -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.215-rt107.tar.xz A barrier() in a tight loop which waits for something to happen on a remote CPU is a pointless exercise. Replace it with cpu_relax() which allows HT @@ -17,7 +17,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h -index 0652b4858ba6..fad0eb9d42ab 100644 +index 0652b4858ba62..fad0eb9d42aba 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -672,7 +672,8 @@ static inline void tasklet_unlock(struct tasklet_struct *t) @@ -31,5 +31,5 @@ index 0652b4858ba6..fad0eb9d42ab 100644 #else #define tasklet_trylock(t) 1 -- -2.43.0 +2.44.0 |