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From: Nam Cao <namcao@linutronix.de>
To: Jisheng Zhang <jszhang@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/3] riscv: word-at-a-time: improve find_zero() for !RISCV_ISA_ZBB or no Zbb
Date: Fri, 09 Oct 2026 15:19:04 +0200	[thread overview]
Message-ID: <87se2f2erb.fsf@yellow.woof> (raw)
In-Reply-To: <20260930124052.21986-2-jszhang@kernel.org>

Jisheng Zhang <jszhang@kernel.org> writes:
> What's more, the fls64() brings non-necessary zero bits couting for
> RV32. In fact, fls() is enough.

I think this is in here by mistake? There is no fls() in this patch.

Other than that, looks good:
Reviewed-by: Nam Cao <namcao@linutronix.de>

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  reply	other threads:[~2026-10-09 13:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-30 12:40 [PATCH v4 0/3] riscv: word-at-a-time: improve find_zero() Jisheng Zhang
2026-09-30 12:40 ` [PATCH v4 1/3] riscv: word-at-a-time: improve find_zero() for !RISCV_ISA_ZBB or no Zbb Jisheng Zhang
2026-10-09 13:19   ` Nam Cao [this message]
2026-09-30 12:40 ` [PATCH v4 2/3] riscv: word-at-a-time: improve find_zero() for RV32 Jisheng Zhang
2026-10-09 13:28   ` Nam Cao
2026-09-30 12:40 ` [PATCH v4 3/3] riscv: word-at-a-time: improve find_zero() for Zbb Jisheng Zhang

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