diff options
Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0115-hotplug-Lightweight-get-online-cpus.patch | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/debian/patches-rt/0115-hotplug-Lightweight-get-online-cpus.patch b/debian/patches-rt/0115-hotplug-Lightweight-get-online-cpus.patch index dce52eae4..594e332d9 100644 --- a/debian/patches-rt/0115-hotplug-Lightweight-get-online-cpus.patch +++ b/debian/patches-rt/0115-hotplug-Lightweight-get-online-cpus.patch @@ -1,7 +1,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Wed, 15 Jun 2011 12:36:06 +0200 -Subject: [PATCH 115/342] hotplug: Lightweight get online cpus -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=9830fd079687f2127d5cfc53c16f8d4d0e1cfb19 +Subject: [PATCH 115/351] hotplug: Lightweight get online cpus +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=e035a899f179507ef0a952663aaa96e83989be51 get_online_cpus() is a heavy weight function which involves a global mutex. migrate_disable() wants a simpler construct which prevents only @@ -68,10 +68,10 @@ index c9ca190ec034..f4c49bbc3fa3 100644 void cpus_read_lock(void) diff --git a/kernel/sched/core.c b/kernel/sched/core.c -index ba6f445ac9e8..ed79f921a84e 100644 +index 7b4752fa34d1..b1771f3de84a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -7243,6 +7243,7 @@ void migrate_disable(void) +@@ -7244,6 +7244,7 @@ void migrate_disable(void) } preempt_disable(); @@ -79,7 +79,7 @@ index ba6f445ac9e8..ed79f921a84e 100644 migrate_disable_update_cpus_allowed(p); p->migrate_disable = 1; -@@ -7308,12 +7309,15 @@ void migrate_enable(void) +@@ -7309,12 +7310,15 @@ void migrate_enable(void) arg.task = p; arg.dest_cpu = dest_cpu; |