linux-kernel - Re: [GIT PULL] probes: Updates for v6.11

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Message-ID: <20240719102824.1e086a40@canb.auug.org.au>
Date: Fri, 19 Jul 2024 10:28:24 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>, Andrii Nakryiko
 <andrii@...nel.org>, Jeff Johnson <quic_jjohnson@...cinc.com>, Jiri Olsa
 <jolsa@...nel.org>, Steven Rostedt <rostedt@...dmis.org>,
 linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] probes: Updates for v6.11

Hi Linus,

On Tue, 16 Jul 2024 23:44:45 +0900 Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:
>
> Probes updates for v6.11:
> 
> Uprobes:
> - x86/shstk: Make return uprobe work with shadow stack.
> - Add uretprobe syscall which speeds up the uretprobe 10-30% faster. This
>   syscall is automatically used from user-space trampolines which are
>   generated by the uretprobe. If this syscall is used by normal
>   user program, it will cause SIGILL. Note that this is currently only
>   implemented on x86_64.
>   (This also has 2 fixes for adjusting the syscall number to avoid conflict
>    with new *attrat syscalls.)

But another fix that I have been carrying was missed:

https://lore.kernel.org/lkml/20240717132155.6ca2ce47@canb.auug.org.au/

Just the added change to scripts/syscall.tbl (and obviously needs
adjusting because the *xattrat* syscalss have not been merged yet).
-- 
Cheers,
Stephen Rothwell

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