netdev - Re: [PATCH bpf-next v2] samples/bpf: fix kprobe attachment issue on x64

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Message-ID: <20180430033925.ifghcefbbzhez3wm@ast-mbp>
Date:   Sun, 29 Apr 2018 20:39:27 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     ast@...com, daniel@...earbox.net, netdev@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH bpf-next v2] samples/bpf: fix kprobe attachment issue on
 x64

On Sun, Apr 29, 2018 at 07:27:48PM -0700, Yonghong Song wrote:
> Commit d5a00528b58c ("syscalls/core, syscalls/x86: Rename
> struct pt_regs-based sys_*() to __x64_sys_*()") renamed a lot
> of syscall function sys_*() to __x64_sys_*().
> This caused several kprobe based samples/bpf tests failing.
> 
> This patch fixed the problem in bpf_load.c.
> For x86_64 architecture, function name __x64_sys_*() will be
> first used for kprobe event creation. If the creation is successful,
> it will be used. Otherwise, function name sys_*() will be used
> for kprobe event creation.
> 
> Fixes: d5a00528b58c ("syscalls/core, syscalls/x86: Rename struct pt_regs-based sys_*() to __x64_sys_*()")
> Signed-off-by: Yonghong Song <yhs@...com>

Applied, Thanks Yonghong.