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From:   Rolf Eike Beer <eike-kernel@sf-tec.de>
To:     linux-parisc@vger.kernel.org, Helge Deller <deller@gmx.de>,
        Gao Xiang <xiang@kernel.org>
Cc:     Liam Beguin <liambeguin@gmail.com>, linux-kernel@vger.kernel.org,
        Gao Xiang <hsiangkao@redhat.com>
Subject: Re: [PATCH] parisc: avoid a warning on u8 cast for cmpxchg on u8 pointers
Date:   Tue, 06 Apr 2021 10:49:29 +0200
Message-ID: <11726853.O9o76ZdvQC@daneel.sf-tec.de>
In-Reply-To: <20210406045929.30331-1-xiang@kernel.org>
References: <20210406045929.30331-1-xiang@kernel.org>
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Am Dienstag, 6. April 2021, 06:59:29 CEST schrieb Gao Xiang:
> From: Gao Xiang <hsiangkao@redhat.com>
> 
> commit b344d6a83d01 ("parisc: add support for cmpxchg on u8 pointers")
> can generate a sparse warningi ("cast truncates bits from constant
                               ^
> value"), which has been reported several times [1] [2] [3].


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