From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24862C64EC4 for ; Mon, 6 Mar 2023 21:58:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229559AbjCFV6j (ORCPT ); Mon, 6 Mar 2023 16:58:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229528AbjCFV6i (ORCPT ); Mon, 6 Mar 2023 16:58:38 -0500 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AC3D2FCCF; Mon, 6 Mar 2023 13:58:36 -0800 (PST) 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 ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4PVssQ73pyz4wgq; Tue, 7 Mar 2023 08:58:34 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1678139915; bh=AadnS7GsdyT0/Y78V0exWved253jyT4b8fjmwNe2RTo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=W2JBYWnmgBFu7OO42fSwU2EljnHcbtsloekSQpWeBW4rL8N7XKaFfbuOjsAHibbqF Ocs7jS0QqQxwv64TbRfxoirO+AWPdhaPFsPuJFjyAivrrFY8Mr3/D2ipFJpxHCvLR6 WjssXKJuyIB8ve/Elc/UuvT+hPpINuUv3opikR6CzyZRT6ep1fkgLjRgYTwkceH+Oe 837Jc6lIv4xpDFDapKU6gDZlHReLrwjwbAbL/GDW0vzMp/d8e70FJjeiAZvxGL2AbW Vv9gyNhhkCFzMfM6R/e/1JTdepC/tOQnAs2qfgQVqu3D4WCGylPXDGMlBJLYgeWBwq 5EQtcB3UDi7fg== Date: Tue, 7 Mar 2023 08:58:34 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Marcelo Tosatti , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the mm tree Message-ID: <20230307085834.209cce60@canb.auug.org.au> In-Reply-To: <20230306115256.1da8983d@canb.auug.org.au> References: <20230306115256.1da8983d@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/raMsRNbibNbQjvqq4SfZ7Ss"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/raMsRNbibNbQjvqq4SfZ7Ss Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Mon, 6 Mar 2023 11:52:56 +1100 Stephen Rothwell w= rote: >=20 > After merging the mm tree, today's linux-next build (sparc64 defconfig) > failed like this: >=20 > sparc64-linux-ld: mm/vmstat.o: in function `cpu_vm_stats_fold': > vmstat.c:(.text+0x2a18): undefined reference to `__xchg_called_with_bad_p= ointer' > sparc64-linux-ld: vmstat.c:(.text+0x2a98): undefined reference to `__xchg= _called_with_bad_pointer' >=20 > Caused by commit >=20 > 676a3befc9ba ("mm/vmstat: use xchg in cpu_vm_stats_fold") >=20 > Sparc does not support xchg() on 8 bit variables. >=20 > I have reverted the above commit (and the 2 following ones) for today. I have used the supplied patch instead of these reverts today. --=20 Cheers, Stephen Rothwell --Sig_/raMsRNbibNbQjvqq4SfZ7Ss Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmQGYgoACgkQAVBC80lX 0Gw5PAgAmh3stKWkIF9cI2TcAKOZOowOAjtz/hH5tN/Spt7Qgf5Tb4ebPuMJVDMu kLYkJV8BTZW1xJSKR3E2SdgAb9T6BCjQvT74ofs5mpkueFiK9iewbQrH/RSeOVZY rW/Bhz72e863s9vz3ul7HinMfLOCdDiUXWVcOMad/u1SI87P7T16tAjqY26cXK1y DlCOOtdwsTQvOTgoLsc9OdrhdV0rGIh4K7lTkJFSZa/azNs0EM8507pPaAOfJpr6 Q349iebyA3IQy8yINNILBXSNDiXJLY0WnrvXGJOIFQRlqR/2C2U70pxukdJpmHlB 6Y6QcZcRB+hHFOjSOdEX1wt4EZa79Q== =uXdo -----END PGP SIGNATURE----- --Sig_/raMsRNbibNbQjvqq4SfZ7Ss--