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 D4E89C43334 for ; Tue, 28 Jun 2022 21:00:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230374AbiF1VAS (ORCPT ); Tue, 28 Jun 2022 17:00:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229509AbiF1VAS (ORCPT ); Tue, 28 Jun 2022 17:00:18 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CD59381A9; Tue, 28 Jun 2022 14:00:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D3FCDB82048; Tue, 28 Jun 2022 21:00:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 734C5C341CA; Tue, 28 Jun 2022 21:00:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656450014; bh=gHzT6F/edl+As3rF8zbKdZdULO58PiwHR//I1JE8aes=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=JirHjzc+URxAcD1GXOuYXAGb3d2L/UjgzMEvI6eWnnNhmLZfM4iwxcCrc6pT8CBcC s8pslBsAPj9Sq3E8vsXVbHrp6bi58/PIg0oReN5mIHAwkHSD3Acjcykz2Ierqw3JJy ff/bhvsnB0kcTQH5AyzeHfh3TCP0T+wb+LAzNna4eabBKgob14Poye01C780iSlU51 Ft25yDXUvowuMNvrsJOl2Dv4pTvBSotgwSM4609+QHGihTEtzHV7HzGG/NlekvaT13 hvzg0AeNFhHM6/bQC4tjwJatsP+kKlIbog8pD7ydaM0X/J4kWuC9DtvtQ7z8hMfPHs YaByI26LzPRhA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 54A78E49BBA; Tue, 28 Jun 2022 21:00:14 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3 1/1] xsk: clear page contiguity bit when unmapping pool From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165645001434.24528.16734258366303906334.git-patchwork-notify@kernel.org> Date: Tue, 28 Jun 2022 21:00:14 +0000 References: <20220628091848.534803-1-ivan.malov@oktetlabs.ru> In-Reply-To: <20220628091848.534803-1-ivan.malov@oktetlabs.ru> To: Ivan Malov Cc: magnus.karlsson@intel.com, bjorn.topel@intel.com, netdev@vger.kernel.org, andrew.rybchenko@oktetlabs.ru, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn@kernel.org, maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, maximmi@mellanox.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This patch was applied to bpf/bpf.git (master) by Daniel Borkmann : On Tue, 28 Jun 2022 12:18:48 +0300 you wrote: > When a XSK pool gets mapped, xp_check_dma_contiguity() adds bit 0x1 > to pages' DMA addresses that go in ascending order and at 4K stride. > The problem is that the bit does not get cleared before doing unmap. > As a result, a lot of warnings from iommu_dma_unmap_page() are seen > in dmesg, which indicates that lookups by iommu_iova_to_phys() fail. > > Fixes: 2b43470add8c ("xsk: Introduce AF_XDP buffer allocation API") > Signed-off-by: Ivan Malov > > [...] Here is the summary with links: - [net,v3,1/1] xsk: clear page contiguity bit when unmapping pool https://git.kernel.org/bpf/bpf/c/512d1999b8e9 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html