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rcutorture: Set KCSAN Kconfig options to detect more data races

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This commit enables the KCSAN Kconfig options that (1) detect data
races between reads and writes even when the writes do not change the
variable's value and (2) detect data races involving plain C-language
writes.  These changes only affect scripted rcutorture runs and can be
overridden using the kvm.sh --kconfig argument.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-02-06 05:20:18 -08:00
parent 9470a18fab
commit a144935cea
1 changed files with 2 additions and 0 deletions
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tools/testing/selftests/rcutorture/configs/rcu/CFcommon
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@ -3,3 +3,5 @@ CONFIG_PRINTK_TIME=y
CONFIG_HYPERVISOR_GUEST=y
CONFIG_PARAVIRT=y
CONFIG_KVM_GUEST=y
CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n
CONFIG_KCSAN_REPORT_VALUE_CHANGE_ONLY=n