linux-kernel - Re: Question about "asm/rwonce.h: No such file or directory"

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Message-ID: <ac4577d4-c0f2-9596-df6f-3fcc563bde3e@163.com>
Date:   Wed, 13 Nov 2019 15:16:37 +0800
From:   Xiao Yang <ice_yangxiao@....com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Will Deacon <will@...nel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>
Subject: Re: Question about "asm/rwonce.h: No such file or directory"

On 11/13/19 2:57 PM, Masahiro Yamada wrote:
> Sorry, I really do not understand what you are doing.
>
> include/linux/compiler.h is only for kernel-space.
> Shrug if a user-land program includes it.

Hi Masahiro,

For building tools/bpf, it is good to fix the compiler error by Daniel's 
patch(i.e. use linux/filter from linux header).

linux/compiler.h may be used by other code in kernel.  Is it possible to 
trigger the same error when the other code

including linux/compiler.h is built? Is this kind of code able to find 
the location of <asm/rwonce.h>?

Best Regards,

Xiao Yang