linux-kernel - Re: [PATCH] md/raid5-ppl: Use atomic64_inc_return() in ppl_new

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Message-ID: <27983c29-dbf0-4105-8176-739971a071b4@intel.com>
Date: Tue, 8 Oct 2024 09:38:05 +0200
From: Artur Paszkiewicz <artur.paszkiewicz@...el.com>
To: Uros Bizjak <ubizjak@...il.com>, <linux-raid@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC: Song Liu <song@...nel.org>, Yu Kuai <yukuai3@...wei.com>
Subject: Re: [PATCH] md/raid5-ppl: Use atomic64_inc_return() in
 ppl_new_iounit()

On 10/7/24 10:48, Uros Bizjak wrote:
> Use atomic64_inc_return(&ref) instead of atomic64_add_return(1, &ref)
> to use optimized implementation and ease register pressure around
> the primitive for targets that implement optimized variant.
> 
> Signed-off-by: Uros Bizjak <ubizjak@...il.com>
> Cc: Song Liu <song@...nel.org>
> Cc: Yu Kuai <yukuai3@...wei.com>

Reviewed-by: Artur Paszkiewicz <artur.paszkiewicz@...el.com>