rcu: Mark interrupts-enabled accesses to rdp->cpu_no_qs.b.norm

The rdp->cpu_no_qs.b.norm field is accessed only by the current CPU,
but can be accessed both at task level and from interrupt handlers.
All accesses from interrupts-enabled code must therefore be marked.
This commit therefore converts from __this_cpu_read() to this_cpu_read(),
from __this_cpu_write() to this_cpu_write(), and plain C-language accesses
to READ_ONCE() and WRITE_ONCE(), but only in interrupts-enabled code.

KCSAN located this issue.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

0 files changed, 0 insertions, 0 deletions