linux

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Files

Paul E. McKenney 276c410448 rcu-tasks: Split ->trc_reader_need_end

This commit splits ->trc_reader_need_end by using the rcu_special union.
This change permits readers to check to see if a memory barrier is
required without any added overhead in the common case where no such
barrier is required.  This commit also adds the read-side checking.
Later commits will add the machinery to properly set the new
->trc_reader_special.b.need_mb field.

This commit also makes rcu_read_unlock_trace_special() tolerate nested
read-side critical sections within interrupt and NMI handlers.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2020-04-27 11:03:52 -07:00

calibrate.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

do_mounts_initrd.c

init: unify opening /dev/console as stdin/stdout/stderr

2019-12-12 18:58:24 +01:00

do_mounts_md.c

init/: remove ineffective sparse disabling

2018-08-22 10:52:49 -07:00

do_mounts_rd.c

init/: remove ineffective sparse disabling