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;
Subject: Re: [PATCH v2] kernel/dma: Fix panic caused by passing swiotlb to
 command line
To:     <konrad@darnok.org>, Christoph Hellwig <hch@lst.de>
CC:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        <m.szyprowski@samsung.com>, <robin.murphy@arm.com>,
        <iommu@lists.linux-foundation.org>, <linux-kernel@vger.kernel.org>
References: <1543832571-121638-1-git-send-email-zhe.he@windriver.com>
 <b35907a9-4d30-493b-3839-731b10d71c63@windriver.com>
 <20190107090702.GA14033@lst.de>
 <CAPbh3rupHC_G0=5dBhhpoXvXO_=i-Y6p=9WdRtn9W19jRpVVcg@mail.gmail.com>
From:   He Zhe <zhe.he@windriver.com>
Message-ID: <1cef7480-0838-c044-9bca-9b7adacb0f17@windriver.com>
Date:   Fri, 11 Jan 2019 09:46:12 +0800
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.2.1
MIME-Version: 1.0
In-Reply-To: <CAPbh3rupHC_G0=5dBhhpoXvXO_=i-Y6p=9WdRtn9W19jRpVVcg@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk


On 1/11/19 1:27 AM, Konrad Rzeszutek Wilk wrote:
> Let's skip it. There was another patch that would allocate a default 4MB size if it there was an misue of swiotlb parameters.

But this patch mainly fixes a crash. Could you please point me to the patch you mentioned?

Thanks,
Zhe

>
>
>
> On Mon, Jan 7, 2019, 4:07 AM Christoph Hellwig <hch@lst.de <mailto:hch@lst.de> wrote:
>
>     On Mon, Jan 07, 2019 at 04:46:51PM +0800, He Zhe wrote:
>     > Kindly ping.
>
>     Konrad, I'll pick this up through the DMA mapping tree unless you
>     protest in the next few days.
>