linux-kernel - Re: [PATCH v2 2/4] linux/const.h: move UL() macro to include/linux/const.h

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Message-ID: <20170105111818.GB29765@e104818-lin.cambridge.arm.com>
Date:   Thu, 5 Jan 2017 11:18:18 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Will Deacon <will.deacon@....com>,
        David Howells <dhowells@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        Pratyush Anand <panand@...hat.com>, x86@...nel.org,
        Russell King <linux@...linux.org.uk>,
        Ingo Molnar <mingo@...hat.com>,
        Laura Abbott <labbott@...hat.com>,
        Neeraj Upadhyay <neeraju@...eaurora.org>,
        Alexander Popov <alex.popov@...ux.com>,
        Arnd Bergmann <arnd@...db.de>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-kernel@...ts.infradead.org,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-kernel@...r.kernel.org, James Morse <james.morse@....com>,
        Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v2 2/4] linux/const.h: move UL() macro to
 include/linux/const.h

> diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
> index bfe6328..4310bcc 100644
> --- a/arch/arm64/include/asm/memory.h
> +++ b/arch/arm64/include/asm/memory.h
> @@ -28,12 +28,6 @@
>  #include <asm/sizes.h>
>  
>  /*
> - * Allow for constants defined here to be used from assembly code
> - * by prepending the UL suffix only with actual C code compilation.
> - */
> -#define UL(x) _AC(x, UL)
> -
> -/*
>   * Size of the PCI I/O space. This must remain a power of two so that
>   * IO_SPACE_LIMIT acts as a mask for the low bits of I/O addresses.
>   */

For the arm64 bit:

Acked-by: Catalin Marinas <catalin.marinas@....com>