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Date:   Sat, 25 Jul 2020 01:40:51 -0700
From:   Alexei Starovoitov <>
To:     Song Liu <>
Cc:     LKML <>, bpf <>,
        Network Development <>,
        Alexei Starovoitov <>,
        Daniel Borkmann <>,
        Kernel Team <>,
        John Fastabend <>,
        KP Singh <>,
        Jesper Dangaard Brouer <>,
        kernel test robot <>
Subject: Re: [PATCH bpf-next] bpf: fix build on architectures with special bpf_user_pt_regs_t

On Fri, Jul 24, 2020 at 1:08 PM Song Liu <> wrote:
> Architectures like s390, powerpc, arm64, riscv have speical definition of
> bpf_user_pt_regs_t. So we need to cast the pointer before passing it to
> bpf_get_stack(). This is similar to bpf_get_stack_tp().
> Fixes: 03d42fd2d83f ("bpf: Separate bpf_get_[stack|stackid] for perf events BPF")
> Reported-by: kernel test robot <>
> Signed-off-by: Song Liu <>

Applied. Thanks

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