netdev - Re: [PATCH bpf-next v3 3/3] selftests/bpf: add verifier tests for wide stores

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Date:   Mon, 1 Jul 2019 17:50:54 +0000
From:   Yonghong Song <yhs@...com>
To:     Stanislav Fomichev <sdf@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "Andrii Nakryiko" <andriin@...com>
Subject: Re: [PATCH bpf-next v3 3/3] selftests/bpf: add verifier tests for
 wide stores



On 7/1/19 10:38 AM, Stanislav Fomichev wrote:
> Make sure that wide stores are allowed at proper (aligned) addresses.
> Note that user_ip6 is naturally aligned on 8-byte boundary, so
> correct addresses are user_ip6[0] and user_ip6[2]. msg_src_ip6 is,
> however, aligned on a 4-byte bondary, so only msg_src_ip6[1]
> can be wide-stored.
> 
> Cc: Andrii Nakryiko <andriin@...com>
> Cc: Yonghong Song <yhs@...com>
> Acked-by: Andrii Nakryiko <andriin@...com>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>

Acked-by: Yonghong Song <yhs@...com>