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rcu: Remove SPARSE_RCU_POINTER Kconfig option

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The sparse-based checking for non-RCU accesses to RCU-protected pointers
has been around for a very long time, and it is now the only type of
sparse-based checking that is optional.  This commit therefore makes
it unconditional.

Reported-by: Ingo Molnar <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Fengguang Wu <[email protected]>
This commit is contained in:
Paul E. McKenney 2017-05-12 15:56:35 -07:00
commit 41a2901e7d
7 changed files with 7 additions and 42 deletions
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6
Documentation/dev-tools/sparse.rst
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@ -103,9 +103,3 @@ have already built it.
The optional make variable CF can be used to pass arguments to sparse. The
build system passes -Wbitwise to sparse automatically.
Checking RCU annotations
~~~~~~~~~~~~~~~~~~~~~~~~
RCU annotations are not checked by default. To enable RCU annotation
checks, include -DCONFIG_SPARSE_RCU_POINTER in your CF flags.