From: Matt Fleming <matt@codeblueprint.co.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Will Deacon <will.deacon@arm.com>,
Steve Capper <steve.capper@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
David Daney <david.daney@cavium.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Leif Lindholm <leif.lindholm@linaro.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] efi: ARM: avoid warning about phys_addr_t cast
Date: Mon, 18 Apr 2016 22:12:33 +0100 [thread overview]
Message-ID: <20160418211233.GZ2829@codeblueprint.co.uk> (raw)
In-Reply-To: <1460968481-169298-1-git-send-email-arnd@arndb.de>
On Mon, 18 Apr, at 10:34:19AM, Arnd Bergmann wrote:
> memblock_remove() takes a phys_addr_t, which may be narrower than 64 bits,
> causing a harmless warning:
>
> drivers/firmware/efi/arm-init.c: In function 'reserve_regions':
> include/linux/kernel.h:29:20: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
> #define ULLONG_MAX (~0ULL)
> ^
> drivers/firmware/efi/arm-init.c:152:21: note: in expansion of macro 'ULLONG_MAX'
> memblock_remove(0, ULLONG_MAX);
>
> This adds an explicit typecast to avoid the warning
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Fixes: 500899c2cc3e ("efi: ARM/arm64: ignore DT memory nodes instead of removing them")
> ---
> drivers/firmware/efi/arm-init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Will, this one is for you.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
next prev parent reply other threads:[~2016-04-18 21:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-18 8:34 [PATCH] efi: ARM: avoid warning about phys_addr_t cast Arnd Bergmann
2016-04-18 8:36 ` Ard Biesheuvel
2016-04-18 21:12 ` Matt Fleming [this message]
2016-04-19 13:46 ` Will Deacon
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