netdev - Re: [PATCH v5 bpf-next 05/15] samples/bpf: use __LINUX_ARM_ARCH_

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Date:   Fri, 11 Oct 2019 11:46:54 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>, ast@...nel.org,
        daniel@...earbox.net, yhs@...com, davem@...emloft.net,
        jakub.kicinski@...ronome.com, hawk@...nel.org,
        john.fastabend@...il.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, clang-built-linux@...glegroups.com,
        ilias.apalodimas@...aro.org
Subject: Re: [PATCH v5 bpf-next 05/15] samples/bpf: use __LINUX_ARM_ARCH__
 selector for arm

Hello!

    Sorry, didn't comment on v4...

On 11.10.2019 3:27, Ivan Khoronzhuk wrote:

> For arm, -D__LINUX_ARM_ARCH__=X is min version used as instruction
> set selector and is absolutely required while parsing some parts of
> headers. It's present in KBUILD_CFLAGS but not in autoconf.h, so let's
> retrieve it from and add to programs cflags. In another case errors

    From where? And it's program's, no?

> like "SMP is not supported" for armv7 and bunch of other errors are
> issued resulting to incorrect final object.
> 
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
[...]

MBR, Sergei