From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0854FEAF6; Tue, 27 Aug 2024 04:07:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724731677; cv=none; b=CN9Vk/JGEb0PMCOFLhaR1LfZft47jSqYlNo0d4+KFIDSuINaJlWhyVhWSQMLtEOYFogOcxogm1+DtQSGd5Q9YXcNw14wan8RwzfcYvEeMRBs0EsWiXt0iRTM11tRiAcattdO84uGaI2HKXHqeNF8V/5L6Zpotgqh+CeKEvMW6MM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724731677; c=relaxed/simple; bh=RtUA6cq7N9QmBBZxtw9JQjTCZ4WN/zo2ZWjZeftflNA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Cbr+mkBxFdBcGip6XMijEH8LV6ay0XlQ4rh7OsphraCJWlQX+Je3djPFRFPV/r7LszKI3nNKM+BEzI6/XophUC7r6avCjw2q25dKrBW52HQNa5FB6a5eMcv7XeC/LhF/Xk7d0Nt65eJ2ZBkxflM2Uxd9e/evS3ztd4oknRvPHio= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=1Y9tJ2Oi; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="1Y9tJ2Oi" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=RtUA6cq7N9QmBBZxtw9JQjTCZ4WN/zo2ZWjZeftflNA=; b=1Y9tJ2Oi/J4f69kPCbpWSCDjv+ zifJLauBV+9m365svWPvGL1dxgLhmaTGndTMGaDaVYMRVeY7+EbadmfK9TyDjAnr5l10C5bzAipPH g6AdCDXe3nCglX8sgodr8bw+CgcK43juXW0COmrq9O9kuE+osMZBLVyiqQO+/7sFgWkO0qw5In2l9 ljeoGaiRsB1rgc4gEyKj9T55Z+Vzzuu+AJYKpuYbaTfeX2MmPfjnDSL+yLyIg6v7vcW/C7Cfx6BYq JNicPMx4i8iNn6tq2fOR6OXpY+vTAx5P3P1W5kmUW6OY0TVC1cOBIbeG/f3tRj2+CxXfhvG9LV9rR EEftR/FA==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sinUl-00000009fTG-19Ti; Tue, 27 Aug 2024 04:07:51 +0000 Date: Mon, 26 Aug 2024 21:07:51 -0700 From: Christoph Hellwig To: Luis Chamberlain Cc: brauner@kernel.org, djwong@kernel.org, sfr@canb.auug.org.au, 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: References: <20240826212632.2098685-1-mcgrof@kernel.org> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240826212632.2098685-1-mcgrof@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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. I've already asked for it not to be added multiple times, but I'm glad we're getting there now: Reviewed-by: Christoph Hellwig