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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. if offline CPUs block an RCU grace period for too long.
An offline CPU's quiescent state will be reported either: An offline CPU's quiescent state will be reported either:
1. As the CPU goes offline using RCU's hotplug notifier (``rcu_report_dead()``). 1. As the CPU goes offline using RCU's hotplug notifier (``rcu_report_dead()``).
2. When grace period initialization (``rcu_gp_init()``) detects a 2. When grace period initialization (``rcu_gp_init()``) detects a
race either with CPU offlining or with a task unblocking on a leaf race either with CPU offlining or with a task unblocking on a leaf