linux-kernel - Re: [PATCH] test_bpf: Use ULL suffix for 64-bit constants

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Date:   Wed, 03 May 2017 09:54:54 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     geert@...ux-m68k.org
Cc:     ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] test_bpf: Use ULL suffix for 64-bit constants

From: Geert Uytterhoeven <geert@...ux-m68k.org>
Date: Wed,  3 May 2017 13:31:04 +0200

> On 32-bit:
> 
>     lib/test_bpf.c:4772: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4772: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4773: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4773: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4787: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4787: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4801: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4801: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4802: warning: integer constant is too large for ‘unsigned long’ type
>     lib/test_bpf.c:4802: warning: integer constant is too large for ‘unsigned long’ type
> 
> On 32-bit systems, "long" is only 32-bit.
> Replace the "UL" suffix by "ULL" to fix this.
> 
> Fixes: 85f68fe898320575 ("bpf, arm64: implement jiting of BPF_XADD")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Applied.