linux-kernel - Re: Not compiling with CONFIG_BPF

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Message-ID: <a2d921c6e8158327a0a018a075fd94694fd7ab7b.camel@wdc.com>
Date:   Wed, 1 Sep 2021 15:45:12 +0000
From:   Atish Patra <Atish.Patra@....com>
To:     "nikita.shubin@...uefel.me" <nikita.shubin@...uefel.me>
CC:     "mick@....forth.gr" <mick@....forth.gr>,
        "wangkefeng.wang@...wei.com" <wangkefeng.wang@...wei.com>,
        "vincent.chen@...ive.com" <vincent.chen@...ive.com>,
        "palmer@...belt.com" <palmer@...belt.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>,
        "paul.walmsley@...ive.com" <paul.walmsley@...ive.com>,
        "alankao@...estech.com" <alankao@...estech.com>,
        "nickhu@...estech.com" <nickhu@...estech.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "guoren@...ux.alibaba.com" <guoren@...ux.alibaba.com>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        Anup Patel <Anup.Patel@....com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "xypron.glpk@....de" <xypron.glpk@....de>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: Not compiling with CONFIG_BPF_SYSCALL enabled

On Wed, 2021-09-01 at 13:36 +0300, Nikita Shubin wrote:
> Hello, Atish.
> 
> The above series won't compile with CONFIG_BPF_SYSCALL set:
> 
> linux/kernel/events/core.c:9912:18: error: assignment to 
> 'bpf_user_pt_regs_t *' {aka 'struct user_regs_struct *'} 
> from incompatible pointer type 'struct pt_regs *' 
> [-Werror=incompatible-pointer-types]
>  9912 |         ctx.regs = perf_arch_bpf_user_pt_regs(regs);
> 
> Just informing you - hope this is helpful.

Thanks for reporting this. I am spinning the v3 of this series. I will
take look.

> 
> Yours,
> Nikita Shubin
> 

-- 
Regards,
Atish