Mark Rutland 67d1b0de25
locking/atomic: add arch_atomic_long*() ...
Now that all architectures provide arch_{atomic,atomic64}_*(), we can
build arch_atomic_long_*() atop these, which can be safely used in
noinstr code. The regular atomic_long_*() wrappers are built atop these,
as we do for {atomic,atomic64}_*() atop arch_{atomic,atomic64}_*().
We don't provide arch_* versions of the cond_read*() variants, as we
don't have arch_* versions of the underlying atomic/atomic64 functions
(nor the smp_cond_load*() helpers these are typically based on).
Note that the headers in this patch under include/linux/atomic/ are
generated by the scripts in scripts/atomic/.
Signed-off-by: Mark Rutland <mark.rutland@arm.com >
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org >
Link: https://lore.kernel.org/r/20210713105253.7615-5-mark.rutland@arm.com
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