linux-kernel - Re: [PATCH] arm64: Explicitly mark 64-bit constant as unsigned long

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Message-ID: <20181117022656.GB2470@brain-police>
Date:   Sat, 17 Nov 2018 02:26:57 +0000
From:   Will Deacon <will.deacon@....com>
To:     Olof Johansson <olof@...om.net>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: Explicitly mark 64-bit constant as unsigned long

Hi Olof,

On Fri, Nov 16, 2018 at 05:54:56PM -0800, Olof Johansson wrote:
> Makes sparse happy. Before:
> 
> arch/arm64/include/asm/sysreg.h:471:42: warning: constant 0xffffffffffffffff is so big it is unsigned long
> arch/arm64/include/asm/sysreg.h:512:42: warning: constant 0xffffffffffffffff is so big it is unsigned long
> 
> Signed-off-by: Olof Johansson <olof@...om.net>
> ---
>  arch/arm64/include/asm/sysreg.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

The warning is bogus imo, but since it's harmless to fix it then we can do
that. However, you've been beaten by:

http://lists.infradead.org/pipermail/linux-arm-kernel/2018-November/613179.html

Will