diff options
Diffstat (limited to 'meta-eas/recipes-kernel/linux/linux-renesas/0061-sched-fair-Fix-select_task_rq_brute-rcu_unlock-when-.patch')
| -rw-r--r-- | meta-eas/recipes-kernel/linux/linux-renesas/0061-sched-fair-Fix-select_task_rq_brute-rcu_unlock-when-.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-eas/recipes-kernel/linux/linux-renesas/0061-sched-fair-Fix-select_task_rq_brute-rcu_unlock-when-.patch b/meta-eas/recipes-kernel/linux/linux-renesas/0061-sched-fair-Fix-select_task_rq_brute-rcu_unlock-when-.patch new file mode 100644 index 0000000..4756f31 --- /dev/null +++ b/meta-eas/recipes-kernel/linux/linux-renesas/0061-sched-fair-Fix-select_task_rq_brute-rcu_unlock-when-.patch @@ -0,0 +1,38 @@ +From f4e82adc562197bc0c6411d9db0ad4497bb689a5 Mon Sep 17 00:00:00 2001 +From: Morten Rasmussen <morten.rasmussen@arm.com> +Date: Thu, 14 Apr 2016 08:39:45 +0100 +Subject: [PATCH 61/92] sched/fair: Fix select_task_rq_brute rcu_unlock when + !sd + +To be merged with original patch + +(cherry picked from commit 149b57aaecf04f0e14a2d0cef807f0c499c6d6ba) +Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> +--- + kernel/sched/fair.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index 58b468c..3c193f5 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -6160,7 +6160,7 @@ static int select_energy_cpu_brute(struct task_struct *p, int prev_cpu) + sd = rcu_dereference(per_cpu(sd_ea, prev_cpu)); + + if (!sd) +- return prev_cpu; ++ goto unlock; + + for_each_cpu_and(i, tsk_cpus_allowed(p), sched_domain_span(sd)) { + int diff; +@@ -6193,6 +6193,7 @@ static int select_energy_cpu_brute(struct task_struct *p, int prev_cpu) + } + } + ++unlock: + rcu_read_unlock(); + + if (energy_cpu == prev_cpu && !cpu_overutilized(prev_cpu)) +-- +1.9.1 + |