From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 5A47AECC for ; Fri, 19 Jul 2024 00:28:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721348911; cv=none; b=lpFqzCD7RGTjM97B/wiupLO69RRQXjbFg7cbUOnnTUE8Fpo+H0sShHWDk2fNw9UMrO9erwo0Qwn58on9lJ2SAhjhEW3FP3Rudro4Nn/7K026ylA7bkP0DkfTIyQZvWeDOBUb/zAANsvYp1u8i8Na4/dmuy2beco4IvE+EpeyN0Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721348911; c=relaxed/simple; bh=pgHXLnuXgqEJnT6SyU0T9PKJ6pyN7FkIB7QXrCSMTuY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ATqtmvmOy1WEWT8BSGX1aNrpyX3eYmE67qhq874YBjyzji2/78fCQcVxZClCqIvwcckLAcTr3EwNqt5/NQMI9icu0sMO+rPxYEVpUuS9NIs9ruVct4T4RpZEaHIrFLYSUN7VSuDM8sge5B45vszohduVUE00qIkXiencdN+r7wY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=nXkAt3Fc; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="nXkAt3Fc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1721348906; bh=JEqgyex94+wHbVwHrZtVYndua/wqo2jfYIyU2lN7E+M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nXkAt3Fc9z+/wxpZRIAEutoXl+c2m08Nhp+Pa+d9ojFxw5OLD58SIiEU0WvNjWz4p 5c7DIWw58i5jIPW40j0+ygrWXRVeGNo5Mg/NKeeKqkxxZ+zfX3MB+5+5kS0/fp7k99 29e3AlGeTdtjwUVcu2myP2elm6cz8AOvBjVOp61MzwzHlL5LbldYobBDaM3LedfCbi sEWJNlkLPSkC3qJk01ZpDqztkMPkLD/se+FUgkn3dWF9/LU9o/ulQAFHnGSsj8IpMw T+6bSymvLhvxD055zGH1VlL4r1/T0Yg4CACQWpIuVEDtp108uDjJf+dyGeoYDG7qYc ihezCgvCTBSeA== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4WQ9WY5j0Gz4wxk; Fri, 19 Jul 2024 10:28:25 +1000 (AEST) Date: Fri, 19 Jul 2024 10:28:24 +1000 From: Stephen Rothwell To: Linus Torvalds Cc: "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: <20240719102824.1e086a40@canb.auug.org.au> In-Reply-To: <20240716234445.a17a40e8d3d7b4ba5cef949e@kernel.org> References: <20240716234445.a17a40e8d3d7b4ba5cef949e@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/GU8nrsEarRb8cYCZuEydbMz"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/GU8nrsEarRb8cYCZuEydbMz Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Linus, On Tue, 16 Jul 2024 23:44:45 +0900 Masami Hiramatsu (Google) wrote: > > Probes updates for v6.11: >=20 > 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 confli= ct > 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). --=20 Cheers, Stephen Rothwell --Sig_/GU8nrsEarRb8cYCZuEydbMz Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmaZsygACgkQAVBC80lX 0GzDpgf/S2EpbG7P9i/dI1NDcd9NEEqglIm3SYVH4gwKWF3ZrOci811lV/dRAmWa bZgptZBNUtz8WKyP9PvGtLOc9AYyNZAiInpOVv/tzBbGFnuVnTQI9rPT8+UUPn0S TDFG6qGxdWgNEvyDBf1chlZGPJlvPRhrSWEgL2zbrInsLpHsebQ/cVHZ7KqKLb0g M+7QMxwSRS3WLlDOQBRQG9peOFeDwJTpCpVk/AnlpDTsQcNvrxtuyBGBCqYVqjG5 U/P/do3QXRwmBY5V7T1kltUja8xG5pNc2I4cTtNSISYIow1D3sm9cru2kAQsWgG7 9RQcbc0ZmnIPpMJC2fLE87sQsglXAQ== =ux9Q -----END PGP SIGNATURE----- --Sig_/GU8nrsEarRb8cYCZuEydbMz--