From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44D9AA32 for ; Fri, 19 Jul 2024 01:52:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721353967; cv=none; b=Z64EbZ0Y0fAeaxtV61Hvbr8eMhXzqXK2PluXqN0DcovsjTGNvnY+MuTf1Z8GTeC+q5Flvag+QUpCK9mnyprcer/qb6CINKop6UFpjE/cOYfc+MnnFYD/j0km7OF/nJzZimxhx0BARATj1pHdJZ2C1i8LMmtc/GKnQZKS92QCe80= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721353967; c=relaxed/simple; bh=T+uaLXA4y54vFWw5RGwV8KzcNNEKsXZMTB3w9sBR+4c=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=HYic5Y1PjGy1YFpHMXF8AQ7SrgTxAndfeXr/G9qitrK+x3iyqxLWynyUJ5wZ/pdKKs3RFAW5QsNj5du4H9PPh4khN/jfmqQiK6WvRPrJhHO5gUkMboTIG50Sv1fpxkShcZykEwpuEXsk8BiVnA6yGt/32pPJUVFlSr/KrcaXhas= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uSYGk3pE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uSYGk3pE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3377C116B1; Fri, 19 Jul 2024 01:52:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721353966; bh=T+uaLXA4y54vFWw5RGwV8KzcNNEKsXZMTB3w9sBR+4c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uSYGk3pEG9t9cPry5EA9EoObXXYY1D4SWxmJEeiIPAa5DbZmuNct/UQHVfwnibI8i UJcbkPFAxPmcxROnujobgyvnV6ouahcYEMdy68H80AiKg30ICjuyB6EcKMWZ99Ooae BBQsdx3yjqdpbv+XLNO143Wm7KNpoKQXWTgxsayJh/trfK0KG/JY9ZcItbBbboaZDb LsNvQyHPU342wpdPaW9tbyD7fjIBaMYojTop5b5UrxNiJLJi2gGHKj8RGb8O2fSRJ8 3eaW1L/Z1B+4LTcGOq0vw12ibQdL5UrPc9kt3DUIrYQ150PktVYl+WO9V6AQHy6Pff qEM1UZYxorunQ== Date: Fri, 19 Jul 2024 10:52:42 +0900 From: Masami Hiramatsu (Google) To: Stephen Rothwell Cc: Linus Torvalds , "Masami Hiramatsu (Google)" , Andrii Nakryiko , Jeff Johnson , Jiri Olsa , Steven Rostedt , linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] probes: Updates for v6.11 Message-Id: <20240719105242.e3c76c4d7958b73ca3428603@kernel.org> In-Reply-To: <20240719102824.1e086a40@canb.auug.org.au> References: <20240716234445.a17a40e8d3d7b4ba5cef949e@kernel.org> <20240719102824.1e086a40@canb.auug.org.au> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 19 Jul 2024 10:28:24 +1000 Stephen Rothwell wrote: > Hi Linus, > > On Tue, 16 Jul 2024 23:44:45 +0900 Masami Hiramatsu (Google) 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). Ah, I missed "script/syscall.tbl". Yes, I need to update it to reserve the syscall number on it. (But that did not exist on my tree...) I'll send a fix. BTW should I wait for xattrat series being merged? Thank you, -- Masami Hiramatsu (Google)