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[RFC,8/9,v2] cgroup: remove bpf rstat flush from css generic flush

Message ID 20250103015020.78547-9-inwardvessel@gmail.com (mailing list archive)
State New
Headers show
Series cgroup: separate per-subsystem rstat trees | expand

Commit Message

JP Kobryn Jan. 3, 2025, 1:50 a.m. UTC 
Remove the bpf-specific flush call from the generic subsystem flush. Leave it
up to bpf programs to manually flush any subsystems desired by using the kfunc
cgroup_rstat_flush().

Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
---
 kernel/cgroup/rstat.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
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Patch

diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index c52e8429c75d..03effaaf09a4 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -346,10 +346,8 @@  static void cgroup_rstat_flush_locked(struct cgroup_subsys_state *css)
 	for_each_possible_cpu(cpu) {
 		struct cgroup_subsys_state *pos = cgroup_rstat_updated_list(css, cpu);
 
-		for (; pos; pos = pos->rstat_flush_next) {
-			bpf_rstat_flush(pos->cgroup, cgroup_parent(pos->cgroup), cpu);
+		for (; pos; pos = pos->rstat_flush_next)
 			pos->ss->css_rstat_flush(pos, cpu);
-		}
 
 		/* play nice and yield if necessary */
 		if (need_resched() || spin_needbreak(lock)) {