From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8F1795B206; Wed, 7 Oct 2026 08:25:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791361518; cv=none; b=Qz6wEHB8qHMVaFRhxLSv2vhgl5mCqtPD+07TYFlROYxtfN6CqkZSJxNBFdFHbXHGdPcTLt4ME8nFm1XaMMRvyCsFr9f3PJqseY8sXW7jNlQ4KwEDDiDWUSlojTQUs2JurIno5db9R6hLfkQB/riaktk0S3nria0A8Xp4R6yLduA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791361518; c=relaxed/simple; bh=R8sKPXcXCIG0QtL7Z2Bnv+mo8sKczf8TconfNYIaZV0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nJswQx29VFUUDQpLJggNKd/lFIJEbPSqlGXQ5YS6tw4CwuV2sYmbk85opm9MmpUncxV5ISt1HHrijlQgsrOXUPS5edHzXcsRdCRDHrM7tM0qhd+fLadryTvDt+jAL/HnczCd4TQVVs9/d2tFx5U9WsirwcUwajYEq2D1uwiTRL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cM9wvGug; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cM9wvGug" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12F891F0089B; Wed, 7 Oct 2026 08:25:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791361517; bh=AV4b7TDs1QryDsNnBsMpSOE1EhNt5PGbHrDuxEwaO6I=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=cM9wvGugpSdaZ5yqOKIpgSEImCOyhgX/aqN0dRZZwYkqtXanohguE7EG4YMPqofBX wDUmc9VG72VFs7i7xER+GCnio/TN2f62vDeUQAwpYm87chX+UMTzine/AFMyMx5rtF vwkFLptmcPwTFyTbJnfRyRMIwz/LMFNDQhoOuqgU/+K+k3RMRquU9cE6SwDsjFr/FR SuuNR9JmnaW/nVR2qR1UH8b+WccXxEGZvbSIhs7s932CtgeOBA2bHTRZOjZC9UrSuG gkRicdv6u4k629MTLyYiA+mf568KIPGeLat/nT17KlcB2av7qoLNMFHxjQStOM2CDu 4DcoFUp86da1g== Received: by traversing.sirena.org.uk (Postfix, from userid 1000) id 41C82186248E; Wed, 07 Oct 2026 09:25:14 +0100 (BST) Date: Wed, 7 Oct 2026 10:25:14 +0200 From: Mark Brown To: Jeremy Linton Cc: linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-modules@vger.kernel.org, jpoimboe@kernel.org, nathan@kernel.org, nsc@kernel.org, mcgrof@kernel.org, petr.pavlu@suse.com, da.gomez@kernel.org, samitolvanen@google.com, atomlin@atomlin.com, ndesaulniers@google.com, mark.rutland@arm.com, will@kernel.org, catalin.marinas@arm.com, ardb@kernel.org, Emanuele.Rocca@arm.com, linux-kernel@vger.kernel.org Subject: Re: [RFC 0/3] kbuild: modules: Fixup arm64 BTI relocations Message-ID: References: <20261006221815.2823252-1-jeremy.linton@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="VDG7eEdWMOyvQRMd" Content-Disposition: inline In-Reply-To: <20261006221815.2823252-1-jeremy.linton@arm.com> X-Cookie: Use the Force, Luke. --VDG7eEdWMOyvQRMd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Oct 06, 2026 at 05:18:12PM -0500, Jeremy Linton wrote: > The kernel module loader, the arm64 ABI, GCC/Clang, and the static > linkers operate with slightly different assumptions about which > functions require BTI landing pads. Ard has a series which resolves this in the kernel's module loader: https://lore.kernel.org/r/20261005110511.157016-4-ardb+git@google.com --VDG7eEdWMOyvQRMd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmrGAeMACgkQJNaLcl1U h9Dtogf/YeJAfcWSiZMI18mNhDCluml9tNwRZyaPkGqGdZCujAmo2HpwPGHBAPAW SNs0juN9tLR2gBo1ZAspzv9k4/Lq2jIjpEisTo/A9Nht6ZPu3ZWExOhxbwgEYt1O QARJYk0lnSzJSZpys5PKXgfj77xTdaWsgRoExp/YL9+Mg5ORQuf0DJSUR9gUxRnX FZCCZT8CF3AqbsL7xb6eJnmnc6auqEIEFtP1U5m2+LP5fuEu3lcbmNNIcM5BXwoo aJuRBaomHnj9o8OfIKFuaNkU5ILBhYkB1Q627Jm/pVojaSEozyoPadZRfvxQAl6Q /TW1oq1yrf0NpN8S9Fqa+kOGIexbZQ== =Kq5m -----END PGP SIGNATURE----- --VDG7eEdWMOyvQRMd--