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Microblaze provides its own implementation of atomic_dec_if_positive(), but nothing else. For a while now, the conditional inc/dec ops have been optional, and the core code will provide generic implementations using the code templates in scripts/atomic/fallbacks/. For simplicity, and for consistency with the other conditional atomic ops, let's drop the microblaze implementation of atomic_dec_if_positive(), and use the generic implementation. With that, we can also drop the local asm/atomic.h and asm/cmpxchg.h headers, as asm-generic/atomic.h is mandatory-y, and we can pull in asm-generic/cmpxchg.h via generic-y. This matches what nios2 and nds32 do today. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210525140232.53872-5-mark.rutland@arm.com |
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