linux-kernel - Re: [PATCH] silence warnings when building kernel/bpf/core.c with W=1

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Message-Id: <20160731.203521.1326608781544696617.davem@davemloft.net>
Date:	Sun, 31 Jul 2016 20:35:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	Valdis.Kletnieks@...edu
Cc:	ast@...nel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] silence warnings when building kernel/bpf/core.c with
 W=1

From: Valdis Kletnieks <Valdis.Kletnieks@...edu>
Date: Sun, 31 Jul 2016 23:27:33 -0400

> Building with W=1 generates some 350 lines of warnings of the form:
> 
> kernel/bpf/core.c: In function '__bpf_prog_run':
> kernel/bpf/core.c:476:33: warning: initialized field overwritten [-Woverride-init]
>    [BPF_ALU | BPF_ADD | BPF_X] = &&ALU_ADD_X,
>                                  ^~
> kernel/bpf/core.c:476:33: note: (near initialization for 'jumptable[12]')
> 
> Since they come from the way we intentionally build the table, silence
> that one specific warning.
> 
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu>

Patch submission must use a proper subsystem prefix in their Subject lines,
as this ends up in the kernel commit shortlog.

The appropriate subsystem prefix for this patch is "bpf: "