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docs: RCU: Requirements.rst: Fix a list block

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As warned by Sphinx:
	.../Documentation/RCU/Design/Requirements/Requirements.rst:1959: WARNING: Unexpected indentation.

The list block is missing a space before it, making Sphinx to get
it wrong.  This commit therefore adds the missing space characters.

Fixes: 2a721e5f0b2c ("docs: Update RCU's hotplug requirements with a bit about design")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-10-06 15:21:32 +02:00 committed by Paul E. McKenney
parent a043260740
commit a1b9dbb72b
1 changed files with 1 additions and 0 deletions
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Documentation/RCU/Design/Requirements/Requirements.rst
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@ -1954,6 +1954,7 @@ offline CPUs. However, as a debugging measure, the FQS loop does splat
if offline CPUs block an RCU grace period for too long.
An offline CPU's quiescent state will be reported either:
1. As the CPU goes offline using RCU's hotplug notifier (``rcu_report_dead()``).
2. When grace period initialization (``rcu_gp_init()``) detects a
race either with CPU offlining or with a task unblocking on a leaf