git.kernel.dk Git - linux-2.6-block.git/commit

author	Thomas Gleixner <tglx@linutronix.de>
	Thu, 23 Mar 2023 20:55:30 +0000 (21:55 +0100)
committer	Peter Zijlstra <peterz@infradead.org>
	Tue, 28 Mar 2023 08:39:29 +0000 (10:39 +0200)
commit	e5ab9eff46b04c5a04778e40d7092fed3fda52ca
tree	87cac8205ddaf1e0e81fba3be4f0e8d7dcf7f584	tree \| snapshot
parent	fe15c26ee26efa11741a7b632e9f23b01aca4cc6	commit \| diff

atomics: Provide atomic_add_negative() variants

atomic_add_negative() does not provide the relaxed/acquire/release
variants.

Provide them in preparation for a new scalable reference count algorithm.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230323102800.101763813@linutronix.de

Linux 6.x block layer and io_uring tree(s)

RSS Atom

include/linux/atomic/atomic-arch-fallback.h		diff \| blob \| blame \| history
include/linux/atomic/atomic-instrumented.h		diff \| blob \| blame \| history
include/linux/atomic/atomic-long.h		diff \| blob \| blame \| history
scripts/atomic/atomics.tbl		diff \| blob \| blame \| history
scripts/atomic/fallbacks/add_negative		diff \| blob \| blame \| history