From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51A961922C6; Fri, 7 Mar 2025 06:48:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741330118; cv=none; b=Z1rJt8UErR7PkzIgAnRQW/szddaB9GsKVVsKKeP7stqge9DSx6vz5SyZhwj2ldQFE50xokH6kOYTPGlOgCfnhquzgIuyKfKHM5+v7R97nv4kpFAHUEoxgggNXP7gcCnmS6jEr+yiG44yEsx5SsVz79QCMZUBbj8KVsFCPu4x6dw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741330118; c=relaxed/simple; bh=3Ib8MYJh6bNU4odaUUgpJSg3E2tCBLVn7f1PANBy1dg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sl9fdYV0GWdWDLiyY1iYeOF2cNcRSkYdU6p2XNKHSWf53+5kPIG+dW0iFQ9OHa09Rxi5iy8Ck18GiKGTSB3qyiiYeIxICEZi3WU6UfUrBOtlgp8aSv9WQNSGqWwB5CBQMuWMpfwG0Z7Y51XNdpJAlafD9t5jz/L66i32RS7eIK8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DRMa6NMD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DRMa6NMD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2A4FC4CED1; Fri, 7 Mar 2025 06:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741330117; bh=3Ib8MYJh6bNU4odaUUgpJSg3E2tCBLVn7f1PANBy1dg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DRMa6NMDOr9VDIXDP/sMrYitH9dLI3U4sNzyvNtVdxc0KtVceuKqYh98oSiUGE/2V /2eafLS+5hJIFhnQB10Z8IfVX/KS2aCMQT4LXou+3YtmH2hnkUwOVn99J+vHBz6/Vy OI0IS8tgAQkepk9BlN3XhOsYjk6eqqXOx7ZWaQ5gPEmsTVZre4mqAZoF+RZnETwkoo BhC8ZvT2hPH7Se5Xhh3a18UfluVtKR/HK7UpTmROiL8mg+H7KtQYf9TXQergnEq/kz IFqdvMsR5Kw84BwRQz7wEJyl87JiMXQhTbz2nGo8Aj68ZgwkCLEqV1uKUIDyGElFK0 qS65TRlyHJzJA== Message-ID: <9d4b77da-18c5-4551-ae94-a2b9fe78489a@kernel.org> Date: Fri, 7 Mar 2025 07:48:24 +0100 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 01/16] bitops: Change parity8() return type to bool To: Kuan-Wei Chiu , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, jk@ozlabs.org, joel@jms.id.au, eajames@linux.ibm.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dmitry.torokhov@gmail.com, mchehab@kernel.org, awalls@md.metrocast.net, hverkuil@xs4all.nl, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, louis.peens@corigine.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, parthiban.veerasooran@microchip.com, arend.vanspriel@broadcom.com, johannes@sipsolutions.net, gregkh@linuxfoundation.org, yury.norov@gmail.com, akpm@linux-foundation.org Cc: hpa@zytor.com, alistair@popple.id.au, linux@rasmusvillemoes.dk, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-fsi@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, oss-drivers@corigine.com, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-serial@vger.kernel.org, bpf@vger.kernel.org, jserv@ccns.ncku.edu.tw, Yu-Chun Lin References: <20250306162541.2633025-1-visitorckw@gmail.com> <20250306162541.2633025-2-visitorckw@gmail.com> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 06. 03. 25, 17:25, Kuan-Wei Chiu wrote: > Change return type to bool for better clarity. Update the kernel doc > comment accordingly, including fixing "@value" to "@val" and adjusting > examples. Also mark the function with __attribute_const__ to allow > potential compiler optimizations. > > Co-developed-by: Yu-Chun Lin > Signed-off-by: Yu-Chun Lin > Signed-off-by: Kuan-Wei Chiu > --- > include/linux/bitops.h | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/include/linux/bitops.h b/include/linux/bitops.h > index c1cb53cf2f0f..44e5765b8bec 100644 > --- a/include/linux/bitops.h > +++ b/include/linux/bitops.h > @@ -231,26 +231,26 @@ static inline int get_count_order_long(unsigned long l) > > /** > * parity8 - get the parity of an u8 value > - * @value: the value to be examined > + * @val: the value to be examined > * > * Determine the parity of the u8 argument. > * > * Returns: > - * 0 for even parity, 1 for odd parity > + * false for even parity, true for odd parity This occurs somehow inverted to me. When something is in parity means that it has equal number of 1s and 0s. I.e. return true for even distribution. Dunno what others think? Or perhaps this should be dubbed odd_parity() when bool is returned? Then you'd return true for odd. thanks, -- js suse labs