linux-kernel - Not compiling with CONFIG_BPF

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Date:   Wed,  1 Sep 2021 13:36:34 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     atish.patra@....com
Cc:     alankao@...estech.com, anup.patel@....com, bpf@...r.kernel.org,
        daniel.lezcano@...aro.org, guoren@...ux.alibaba.com,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, linux-riscv@...ts.infradead.org,
        mick@....forth.gr, nickhu@...estech.com, palmer@...belt.com,
        paul.walmsley@...ive.com, vincent.chen@...ive.com,
        wangkefeng.wang@...wei.com, xypron.glpk@....de
Subject: Not compiling with CONFIG_BPF_SYSCALL enabled

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.

Yours,
Nikita Shubin