From: Oleg Nesterov <oleg@redhat.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Jiri Olsa <jolsa@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-api@vger.kernel.org, linux-man@vger.kernel.org,
x86@kernel.org, bpf@vger.kernel.org,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Borislav Petkov (AMD)" <bp@alien8.de>,
Ingo Molnar <mingo@redhat.com>, Andy Lutomirski <luto@kernel.org>,
"Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
Deepak Gupta <debug@rivosinc.com>
Subject: Re: [PATCHv8 bpf-next 3/9] uprobe: Add uretprobe syscall to speed up return probe
Date: Thu, 20 Jun 2024 20:52:20 +0200 [thread overview]
Message-ID: <20240620185220.GB2058@redhat.com> (raw)
In-Reply-To: <054064c5-704a-4ea7-8a89-1e136e475437@roeck-us.net>
On 06/20, Guenter Roeck wrote:
>
> On Tue, Jun 11, 2024 at 01:21:52PM +0200, Jiri Olsa wrote:
> > Adding uretprobe syscall instead of trap to speed up return probe.
> >
>
> This patch results in:
>
> Building loongarch:allmodconfig ... failed
> --------------
> Error log:
> In file included from include/linux/uprobes.h:49,
> from include/linux/mm_types.h:16,
> from include/linux/mmzone.h:22,
> from include/linux/gfp.h:7,
> from include/linux/xarray.h:16,
> from include/linux/list_lru.h:14,
> from include/linux/fs.h:13,
> from include/linux/highmem.h:5,
> from kernel/events/uprobes.c:13:
> kernel/events/uprobes.c: In function 'arch_uprobe_trampoline':
> arch/loongarch/include/asm/uprobes.h:12:33: error: initializer element is not constant
should be fixed by https://lore.kernel.org/all/ZmyZgzqsowkGyqmH@krava/
in this thread.
but may be arch/loongarch should override __weak arch_uprobe_trampoline() ?
Oleg.
next prev parent reply other threads:[~2024-06-20 18:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-11 11:21 [PATCHv8 bpf-next 0/9] uprobe: uretprobe speed up Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 1/9] x86/shstk: Make return uprobe work with shadow stack Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 2/9] uprobe: Wire up uretprobe system call Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 3/9] uprobe: Add uretprobe syscall to speed up return probe Jiri Olsa
2024-06-14 17:48 ` Nathan Chancellor
2024-06-14 19:26 ` Jiri Olsa
2024-06-14 20:07 ` Nathan Chancellor
2024-06-20 18:19 ` Guenter Roeck
2024-06-20 18:52 ` Oleg Nesterov [this message]
2024-06-11 11:21 ` [PATCHv8 bpf-next 4/9] selftests/x86: Add return uprobe shadow stack test Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 5/9] selftests/bpf: Add uretprobe syscall test for regs integrity Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 6/9] selftests/bpf: Add uretprobe syscall test for regs changes Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 7/9] selftests/bpf: Add uretprobe syscall call from user space test Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 bpf-next 8/9] selftests/bpf: Add uretprobe shadow stack test Jiri Olsa
2024-06-11 11:21 ` [PATCHv8 9/9] man2: Add uretprobe syscall page Jiri Olsa
2024-06-11 14:30 ` Masami Hiramatsu
2024-06-11 14:49 ` Alejandro Colomar
2024-08-07 20:27 ` Steven Rostedt
2024-08-16 11:42 ` Alejandro Colomar
2024-08-16 17:03 ` Jiri Olsa
2024-08-16 18:55 ` Alejandro Colomar
2024-08-16 21:56 ` Alejandro Colomar
2024-08-17 8:58 ` Jiri Olsa
2024-06-11 14:52 ` [PATCHv8 bpf-next 0/9] uprobe: uretprobe speed up Masami Hiramatsu
2024-06-12 7:02 ` Andrii Nakryiko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240620185220.GB2058@redhat.com \
--to=oleg@redhat.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bp@alien8.de \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=debug@rivosinc.com \
--cc=john.fastabend@gmail.com \
--cc=jolsa@kernel.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-man@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=luto@kernel.org \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=rick.p.edgecombe@intel.com \
--cc=rostedt@goodmis.org \
--cc=songliubraving@fb.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).