From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 15784155C97; Mon, 28 Oct 2024 08:55:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730105719; cv=none; b=FhYINCNgx9Yth9G4GVkOSbriNAIlCDE2UiF1Y+1MOz11MG9+HMtFV/NTmXWiCoYEmCxjjADPGknVvA67NFqOQVvMQlWcHn20MQtw3bcWnxTcxcpF9iYj0ZLUWZdxTZtXj+IBh72J7z1ucMGyUQP5R5vBEpQa08Wz2nZX5JbZ6I4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730105719; c=relaxed/simple; bh=kLA/lkXLwzdki11fHwX8/rZ3POKVHr3Ht5GY11Putvg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=F9S7fjagStJnEOBeDFE8TTv0SAbtlC90sL+66KqPEWXiujnsF3cj8hfWfDmxYve0huAdCuRBLolLrpfKWbcmjZPbLgJEfcwwu+e/iz3M+ZKpL4Yzi004wsLwO1YfEEooscAZHWkwc/ubrliXCU/d1HOgA6yukOFpuWYeoOX+JLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id CE52868BEB; Mon, 28 Oct 2024 09:55:06 +0100 (CET) Date: Mon, 28 Oct 2024 09:55:06 +0100 From: Christoph Hellwig To: Hugh Dickins Cc: Alexander Viro , Andrew Morton , Christian Brauner , Matthew Wilcox , Christoph Hellwig , Kent Overstreet , "Darrick J. Wong" , Thomas Gleixner , Peter Zijlstra , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP Message-ID: <20241028085506.GA27771@lst.de> References: Precedence: bulk X-Mailing-List: linux-kernel@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: User-Agent: Mutt/1.5.17 (2007-11-01) On Sun, Oct 27, 2024 at 03:23:23PM -0700, Hugh Dickins wrote: > generic/077 on x86_32 CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP=y with highmem, > on huge=always tmpfs, issues a warning and then hangs (interruptibly): Looks good: Reviewed-by: Christoph Hellwig