powerpc: qspinlock: Mark accesses to qnode lock checks

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The powerpc implementation of qspinlocks will both poll and spin on the
bitlock guarding a qnode. Mark these accesses with READ_ONCE to convey
to KCSAN that polling is intentional here.

Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230510033117.1395895-2-rmclure@linux.ibm.com

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Rohan McLure 2023-05-10 13:31:07 +10:00 • committed by Michael Ellerman

parent 98e61df570

commit 03d44ee80e

1 changed files with 2 additions and 2 deletions

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arch/powerpc/lib/qspinlock.c

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