Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 19 Sep 2022 16:45:44 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Yury Norov <yury.norov@gmail.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org,
        Alexey Klimov <klimov.linux@gmail.com>,
        Andy Whitcroft <apw@canonical.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        David Laight <David.Laight@aculab.com>,
        Dennis Zhou <dennis@kernel.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Kees Cook <keescook@chromium.org>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Valentin Schneider <vschneid@redhat.com>,
        Sven Schnelle <svens@linux.ibm.com>,
        Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH v4 2/4] lib/find_bit: create find_first_zero_bit_le()
Message-ID: <YyhyiFsV0z21jI0b@smile.fi.intel.com>
References: <20220915020730.852234-1-yury.norov@gmail.com>
 <20220915020730.852234-3-yury.norov@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220915020730.852234-3-yury.norov@gmail.com>
Precedence: bulk

On Wed, Sep 14, 2022 at 07:07:28PM -0700, Yury Norov wrote:
> find_first_zero_bit_le() is an alias to find_next_zero_bit_le(),
> despite that 'next' is known to be slower than 'first' version.
> 
> Now that we have common FIND_FIRST_BIT() macro helper, it's trivial
> to implement find_first_zero_bit_le() as a real function.

...

> +#ifdef __BIG_ENDIAN

Probably you want to add a blank line here.

> +#ifndef find_first_zero_bit_le
> +/*
> + * Find the first cleared bit in an LE memory region.
> + */
> +unsigned long _find_first_zero_bit_le(const unsigned long *addr, unsigned long size)
> +{
> +	return FIND_FIRST_BIT(~addr[idx], swab, size);
> +}
> +EXPORT_SYMBOL(_find_first_zero_bit_le);
> +#endif
> +
> +#endif /* __BIG_ENDIAN */

-- 
With Best Regards,
Andy Shevchenko