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 6FEA5146596; Tue, 27 Aug 2024 06:26:06 +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=1724739971; cv=none; b=bXbjXdz9RRbPJEu2al8rPSna9bf0OfY2Sy1NNWDeZ7wn/911wFN5KG2XgVYg9Gp5N1SGwduqNoFyhSH++W/hVbCdIuIM3B78UyzuzgfHUdhnbvT2a+7FiCo8kLM0pfY2vh66MmidPhiT7JhjFxzLJ9wRKriYKpoDATs0mPCqwoc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724739971; c=relaxed/simple; bh=dEhTUlXeWzHxDgVzj0ci8VW5ybz/ubs17Yn9nv7EjYM=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=emHdnXlghI+wz6XfLPaOcSh6WL4maDLRubsG+R/TLXSeK+kGkhR+dBFak7VS50K+HpOvy6GgG2iy+hXKVqI2rlx2xbWwh2KTeq96OS+e3wXIq+oVc5fEhOCjx7LOB9UjTCEAgiXvqoQQa9Ktk5jAjxBsrehh1gfCSI49QLIcQUM= 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=hxOQOsCF; 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="hxOQOsCF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1724739964; bh=dEhTUlXeWzHxDgVzj0ci8VW5ybz/ubs17Yn9nv7EjYM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=hxOQOsCFKBD0D/EMlqQ2y4x3oKZAVhGs1l9NbRS2Ipjg2J/qKk9Yz4utwKQb59RS7 j3LZF50BJBnI1P5Hdt/TrW/LuRB3VnKVKT14vJG4DBsL14Uq7Y3xiKpSK5UBwm3mdn CI06KAzzE+ge/aGhW3BZp3B0JsNY7cGVI1FvSD8bKgcuxmwHwt9s5x9QxhK+mB+wXS 2sFb1z662ze1E/MmoRPEaztGuhGloCL+LhnGzTENyhSchPHvWQI9xaTS8jxjDkHnFW 0sUk2iyNrR9dTPTYCZgaHAiCQ31VOuZvpcbKQftPdxxwh+3iOIiyfbh+52WeGaGXCg sQWUk2Q1/57AA== 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) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4WtHcD3GgXz4w2R; Tue, 27 Aug 2024 16:26:04 +1000 (AEST) Date: Tue, 27 Aug 2024 16:26:03 +1000 From: Stephen Rothwell To: Luis Chamberlain Cc: "Darrick J. Wong" , brauner@kernel.org, p.raghav@samsung.com, dchinner@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-next@vger.kernel.org Subject: Re: [PATCH] iomap: remove set_memor_ro() on zero page Message-ID: <20240827162603.1a86804a@canb.auug.org.au> In-Reply-To: <20240827055539.GL865349@frogsfrogsfrogs> References: <20240826212632.2098685-1-mcgrof@kernel.org> <20240827055539.GL865349@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/WnlHn7eTQnOBUQK_4ciR3n7"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/WnlHn7eTQnOBUQK_4ciR3n7 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Mon, 26 Aug 2024 22:55:39 -0700 "Darrick J. Wong" wr= ote: > > On Mon, Aug 26, 2024 at 02:26:32PM -0700, Luis Chamberlain wrote: > > Stephen reported a boot failure on ppc power8 system where > > set_memor_ro() on the new zero page failed [0]. Christophe Leroy > > further clarifies we can't use this on on linear memory on ppc, and > > so instead of special casing this just for PowerPC [2] remove the > > call as suggested by Darrick. > >=20 > > [0] https://lore.kernel.org/all/20240826175931.1989f99e@canb.auug.org.a= u/T/#u > > [1] https://lore.kernel.org/all/b0fe75b4-c1bb-47f7-a7c3-2534b31c1780@cs= group.eu/ > > [2] https://lore.kernel.org/all/ZszrJkFOpiy5rCma@bombadil.infradead.org/ > >=20 > > Reported-by: Stephen Rothwell > > Suggested-by: "Darrick J. Wong" > > Signed-off-by: Luis Chamberlain =20 >=20 > Reviewed-by: Darrick J. Wong I added this to linux-next today, and it seems to have fixed the run time warning, so Tested-by: Stephen Rothwell --=20 Cheers, Stephen Rothwell --Sig_/WnlHn7eTQnOBUQK_4ciR3n7 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmbNcXsACgkQAVBC80lX 0GwSvQf/SZMg3tJDWWeP8zI9bZsMGEGzu5BLoZ5oj8mmXcuOqPucOfCNi/tvrAh1 OnGlCyfZzYNT8IeItMqx7z2IgUW+PFDfXJhNCRUo/HNtI35ujrDjheFJahmA+Fxx pupM1EiDiKOY366X0XzQ3vc1Q224QMIcWw7NgpPC2xN3xhsiV4w3d5WSyP/hDigq 2wlrdH8H8ssAD9EM6JXfqPxvFYEoTJzCPj4Nl7/o+/c15SRfGjwXFkd3hbUE2eif fXlSIFoPaRIwQDvff0jipIQG3ArRIRa0UsyiBvnmdGalXLgG9WoHKrlUzR+a/IU3 +xa+rMHLb9LGTX8ggF8/6S7lWyzF6A== =5GmB -----END PGP SIGNATURE----- --Sig_/WnlHn7eTQnOBUQK_4ciR3n7--