On Fri 2018-03-02 13:01:00, Ganesh Mahendran wrote: > single_open() interface requires that the whole output must > fit into a single buffer. This will lead to timeout when > system memory is not in a good situation. > > This patch use seq_open() to show wakeup stats. This method > need only one page, so timeout will not be observed.
Can the rcu_read_unlock be delayed arbitrarily by userland code?
Is that ok with RCU?
Pavel
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