Messages in this thread | | | Date | Sat, 27 Feb 2016 06:17:19 -0500 | From | Tejun Heo <> | Subject | Re: [RFC V2 PATCH] kernfs: create raw version kernfs_path_len and kernfs_path |
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Hello,
On Fri, Feb 26, 2016 at 01:47:39PM -0800, Yang Shi wrote: > Call synchronize_sched() when kernfs_node is updated since tracepoints are > protected by rcu_read_lock_sched.
Adding synchronize_sched() to operations which can be triggered from userland usually turns out to be problematic. If this can't be solved any other way, I think the right thing to do is replacing the path with cgroup id as Christoph suggested.
Thanks.
-- tejun
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