diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-06-13 08:40:03 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2017-06-13 08:40:03 +0200 |
commit | 567b64aaefc4ef9ae3af124ae0b13dc13a6804a8 (patch) | |
tree | 0b2edea83c359a19e00d529a41c3ced5396933df /scripts | |
parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
parent | 6d48152eafde1f0d0a4a9e0584fa7d9ff4fbfdac (diff) |
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney:
"The largest feature of this series is shrinking and simplification,
with the following diffstat summary:
79 files changed, 1496 insertions(+), 4211 deletions(-)
In other words, this series represents a net reduction of more than 2700
lines of code."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/checkpatch.pl | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4b9569fa931b..c7e4d73fe1ce 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5533,23 +5533,6 @@ sub process { } } -# Check for expedited grace periods that interrupt non-idle non-nohz -# online CPUs. These expedited can therefore degrade real-time response -# if used carelessly, and should be avoided where not absolutely -# needed. It is always OK to use synchronize_rcu_expedited() and -# synchronize_sched_expedited() at boot time (before real-time applications -# start) and in error situations where real-time response is compromised in -# any case. Note that synchronize_srcu_expedited() does -not- interrupt -# other CPUs, so don't warn on uses of synchronize_srcu_expedited(). -# Of course, nothing comes for free, and srcu_read_lock() and -# srcu_read_unlock() do contain full memory barriers in payment for -# synchronize_srcu_expedited() non-interruption properties. - if ($line =~ /\b(synchronize_rcu_expedited|synchronize_sched_expedited)\(/) { - WARN("EXPEDITED_RCU_GRACE_PERIOD", - "expedited RCU grace periods should be avoided where they can degrade real-time response\n" . $herecurr); - - } - # check of hardware specific defines if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { CHK("ARCH_DEFINES", |