Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp5399185ybi;
        Wed, 12 Jun 2019 01:44:19 -0700 (PDT)
X-Google-Smtp-Source: APXvYqx05ArjJAsC2xpmLhiaX023Rq7nxtgZphdRy4+iFrkK073F4U3ioIapX976HeX/Igewbop5
X-Received: by 2002:a63:8049:: with SMTP id j70mr21769575pgd.63.1560329059434;
        Wed, 12 Jun 2019 01:44:19 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1560329059; cv=none;
        d=google.com; s=arc-20160816;
        b=n7OWNeAKsIiWLPjenSIRD8YtNZnhOqqzPzKb+KomAFxsoLuLaXlJACChifug+6yL7K
         GatTTHcY6P2J6rfFjAZknJUVzwKx5VrdMI+ibBrenFP6vZkn5ExLf2J84oWFGhX0MWwW
         FVNfMwcTpNK02G/Der80jTC90dBmqzHtIM1IMPIyBekvVviqvuM99LEebD4lGPvFdiOQ
         yATYYWkLUH9a7SaA7W2YQY0oqXtYPCeYNZ81u34AGLvVFJLHw7fno5Ogpib3QBUTaR6U
         bzUYoOW94yY9pn9kR4henW8jEnC42gXpsWUbH3EEGeR+/z2P0iUJA4fITXyP7KO+TfiT
         Gfow==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:user-agent:in-reply-to
         :content-disposition:mime-version:references:message-id:subject:cc
         :to:from:date;
        bh=iFp+Kdxjq+ikB5W7m+Oi+52fg4pNGjxtvkv6SFHGepU=;
        b=goWdwfJrY4zoBIGR/ClHhBC6TnKq7oA4G7tyKwmDzxv3VXG2B1EvKZxetcG9w3zp1b
         pTud0PEJatWgqzGioMYQRH9l+OH6CjaYS+GqbW/vdHtkIR7lMixH3AxYPA7viK6ICNkN
         bq5qoN/3k/A88gzjhE5qC6QcqH8InuQ2L4XSkRIHCeQ0QpG2Y5HlMjngYuLe5aXuQyqC
         D769NkQr5gbH46Fc7EwJ8jnOiEm/HkBil5pNFwiy7QgAunFyVnTQbNIIc11hferLvpZN
         T6RdTxYPqCWxwoLQ+dYXyaipVtvLKRKHhWImTW4eGrl1fuN6VnkdtaEsiNFhVIUzmRlu
         vZag==
ARC-Authentication-Results: i=1; mx.google.com;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id g9si928577plm.207.2019.06.12.01.44.03;
        Wed, 12 Jun 2019 01:44:19 -0700 (PDT)
Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Authentication-Results: mx.google.com;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S2436759AbfFLIE3 (ORCPT <rfc822;fezhang.suse@gmail.com>
        + 99 others); Wed, 12 Jun 2019 04:04:29 -0400
Received: from mx2.suse.de ([195.135.220.15]:41620 "EHLO mx1.suse.de"
        rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP
        id S1725763AbfFLIE3 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 12 Jun 2019 04:04:29 -0400
X-Virus-Scanned: by amavisd-new at test-mx.suse.de
Received: from relay2.suse.de (unknown [195.135.220.254])
        by mx1.suse.de (Postfix) with ESMTP id 6DDA5ABE9;
        Wed, 12 Jun 2019 08:04:28 +0000 (UTC)
Date:   Wed, 12 Jun 2019 10:04:26 +0200
From:   Joerg Roedel <jroedel@suse.de>
To:     Qian Cai <cai@lca.pw>
Cc:     tmurphy@arista.com, iommu@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next v2] iommu/amd: fix a null-ptr-deref in map_sg()
Message-ID: <20190612080426.GL8151@suse.de>
References: <20190506164440.37399-1-cai@lca.pw>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190506164440.37399-1-cai@lca.pw>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, May 06, 2019 at 12:44:40PM -0400, Qian Cai wrote:
> The commit 1a1079011da3 ("iommu/amd: Flush not present cache in
> iommu_map_page") 

That patch was reverted by me in

	97a18f548548a6ee1b9be14c6fc72090b8839875

because it caused issues by testers. So maybe re-submit the above patch
with this fix included?

Regards,

	Joerg