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(parent: ee7f4a8) | patch
srcu: Add comment explaining cookie overflow/wrap
authorPaul E. McKenney <paulmck@kernel.org>
Mon, 16 Nov 2020 04:33:38 +0000 (20:33 -0800)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 4 Jan 2021 21:53:39 +0000 (13:53 -0800)
commit4e7ccfae52b39aeee93ed39d4184d50ea201fbef
treebc89d83fd6df7810f3a8f535c77c260af33850b8tree | snapshot
parentee7f4a87a18cd3bb141b38e2ef0c3e53253cdf63commit | diff
srcu: Add comment explaining cookie overflow/wrap

This commit adds to the poll_state_synchronize_srcu() header comment
describing the issues surrounding SRCU cookie overflow/wrap for the
different kernel configurations.

Link: https://lore.kernel.org/rcu/20201112201547.GF3365678@moria.home.lan/
Reported-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/rcu/srcutree.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git