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 smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5C953C433EF for ; Mon, 13 Jun 2022 06:04:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id EDF7D410E0; Mon, 13 Jun 2022 06:04:58 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SetU8qekxF5E; Mon, 13 Jun 2022 06:04:58 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 7E52C40223; Mon, 13 Jun 2022 06:04:57 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4D38DC0032; Mon, 13 Jun 2022 06:04:57 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id E0C16C002D; Mon, 13 Jun 2022 06:04:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id BB1EE40223; Mon, 13 Jun 2022 06:04:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9hCrAwcADHaU; Mon, 13 Jun 2022 06:04:52 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by smtp4.osuosl.org (Postfix) with ESMTPS id 752EE40221; Mon, 13 Jun 2022 06:04:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=b1PoY1uKlcNqy2edTiTsVL/coyRDE9FCOo38ncps/ZM=; b=asqORLv9fFtRmH0mbdAsX62PEY 2oM2wjfo4NwjYVsp3GvIcXnsJO9DKRj8XCXW1E4suTxpr2g8LP73vdRMEKnbzqlgoyXVfnbMS54bD FBTwd3vKQ1myxZku0vIkaOTi9LwMJKMefz6tfktugd6A88h7XFJ8zVDM64ozYM6Q5rABwX6AKb2fa 8zxSLwNzq9CLLB7mjw/mVXMIKzM5UZnMYu4GyUGLrYpMbVB2c2wQRdURbri0g+CmKZJ4dWe95IH7X ApNaap56yK/FeNrP1odSM3lUI36xBVvmY3EYL/xIb/6e2D8T1L0tLE8e0+gIuJwvSLdsxahG1pSYz SAgdlhuA==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0dBu-001aZ9-At; Mon, 13 Jun 2022 06:04:46 +0000 Date: Sun, 12 Jun 2022 23:04:46 -0700 From: Christoph Hellwig To: Dongli Zhang Subject: Re: [PATCH RFC v1 4/7] swiotlb: to implement io_tlb_high_mem Message-ID: References: <20220609005553.30954-1-dongli.zhang@oracle.com> <20220609005553.30954-5-dongli.zhang@oracle.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: jgross@suse.com, dave.hansen@linux.intel.com, mst@redhat.com, konrad.wilk@oracle.com, mpe@ellerman.id.au, x86@kernel.org, joe.jin@oracle.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Christoph Hellwig , iommu@lists.linux-foundation.org, mingo@redhat.com, bp@alien8.de, sstabellini@kernel.org, xen-devel@lists.xenproject.org, tglx@linutronix.de, linuxppc-dev@lists.ozlabs.org, m.szyprowski@samsung.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gRnJpLCBKdW4gMTAsIDIwMjIgYXQgMDI6NTY6MDhQTSAtMDcwMCwgRG9uZ2xpIFpoYW5nIHdy b3RlOgo+IFNpbmNlIHRoaXMgcGF0Y2ggZmlsZSBoYXMgMjAwKyBsaW5lcywgd291bGQgeW91IHBs ZWFzZSBoZWxwIGNsYXJpZnkgd2hhdCBkb2VzCj4gJ3RoaXMnIGluZGljYXRlPwoKVGhpcyBpbmRp Y2F0ZXMgdGhhdCBhbnkgY2hvaWNlIG9mIGEgZGlmZmVyZW50IHN3aW90bGIgcG9vbHMgbmVlZHMg dG8KYmUgaGlkZGVuIGluc2lkZSBvZiDRlXdpb3RsYi4gIFRoZSBkbWEgbWFwcGluZyBBUEkgYWxy ZWFkeSBwcm92aWRlcwpzd2lvdGxiIHRoZSBhZGRyZXNzYWJpbGl0eSByZXF1aXJlbWVudCBmb3Ig dGhlIGRldmljZS4gIFNpbWlsYXJseSB3ZQphbHJlYWR5IGhhdmUgYSBTV0lPVExCX0FOWSBmbGFn IHRoYXQgc3dpdGNoZXMgdG8gYSA2NC1iaXQgYnVmZmVyCmJ5IGRlZmF1bHQsIHdoaWNoIHdlIGNh biBjaGFuZ2UgdG8sIG9yIHJlcGxhY2Ugd2l0aCBhIGZsYWcgdGhhdAphbGxvY2F0ZXMgYW4gYWRk aXRpb25hbCBidWZmZXIgdGhhdCBpcyBub3QgYWRkcmVzc2luZyBsaW1pdGVkLgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWls aW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6 Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRp b24=