aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/cgroup
diff options
context:
space:
mode:
authorPeter Zijlstra <peterz@infradead.org>2021-06-11 10:28:17 +0200
committerPeter Zijlstra <peterz@infradead.org>2021-06-18 11:43:09 +0200
commit2f064a59a11ff9bc22e52e9678bc601404c7cb34 (patch)
treeacc246021cd9f158016247f00f238668963daed7 /kernel/cgroup
parentsched,arch: Remove unused TASK_STATE offsets (diff)
downloadlinux-dev-2f064a59a11ff9bc22e52e9678bc601404c7cb34.tar.xz
linux-dev-2f064a59a11ff9bc22e52e9678bc601404c7cb34.zip
sched: Change task_struct::state
Change the type and name of task_struct::state. Drop the volatile and shrink it to an 'unsigned int'. Rename it in order to find all uses such that we can use READ_ONCE/WRITE_ONCE as appropriate. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com> Acked-by: Will Deacon <will@kernel.org> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20210611082838.550736351@infradead.org
Diffstat (limited to 'kernel/cgroup')
-rw-r--r--kernel/cgroup/cgroup-v1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 1f274d7fc934..ee93b6e89587 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -713,7 +713,7 @@ int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry)
css_task_iter_start(&cgrp->self, 0, &it);
while ((tsk = css_task_iter_next(&it))) {
- switch (tsk->state) {
+ switch (READ_ONCE(tsk->__state)) {
case TASK_RUNNING:
stats->nr_running++;
break;