netdev - Re: [PATCH v3 bpf-next 0/4] selftests/bpf: fix compiling loop{1,2,3}.c on s390

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Date:   Tue, 9 Jul 2019 10:50:41 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Ilya Leoshkevich <iii@...ux.ibm.com>
Cc:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        Stanislav Fomichev <sdf@...ichev.me>,
        Y Song <ys114321@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH v3 bpf-next 0/4] selftests/bpf: fix compiling
 loop{1,2,3}.c on s390

On Tue, Jul 9, 2019 at 8:18 AM Ilya Leoshkevich <iii@...ux.ibm.com> wrote:
>
> Use PT_REGS_RC(ctx) instead of ctx->rax, which is not present on s390.
>
> This patch series consists of three preparatory commits, which make it
> possible to use PT_REGS_RC in BPF selftests, followed by the actual fix.
>
> Since the last time, I've tested it with x86_64-linux-gnu-,
> aarch64-linux-gnu-, arm-linux-gnueabihf-, mips64el-linux-gnuabi64-,
> powerpc64le-linux-gnu-, s390x-linux-gnu- and sparc64-linux-gnu-
> compilers, and found that I also need to add arm64 support.
>
> Like s390, arm64 exports user_pt_regs instead of struct pt_regs to
> userspace.
>
> I've also made fixes for a few unrelated build problems, which I will
> post separately.
>
> v1->v2: Split into multiple patches.
> v2->v3: Added arm64 support.
>
> Signed-off-by: Ilya Leoshkevich <iii@...ux.ibm.com>
>
>

Acked-by: Andrii Nakryiko <andriin@...com>