linux-kernel - Re: [PATCH v2] kernel/dma: Fix panic caused by passing swiotlb to command line

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Message-ID: <bf0c7631-f5c1-42cc-fa1a-d7f4f5b9e6eb@windriver.com>
Date:   Fri, 11 Jan 2019 09:49:03 +0800
From:   He Zhe <zhe.he@...driver.com>
To:     <konrad@...nok.org>, Christoph Hellwig <hch@....de>
CC:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        <m.szyprowski@...sung.com>, <robin.murphy@....com>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] kernel/dma: Fix panic caused by passing swiotlb to
 command line



On 1/11/19 9:46 AM, He Zhe wrote:
>
> 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?

And the v2 is modified according to your suggestion.

Zhe

>
> Thanks,
> Zhe
>
>>
>>
>> On Mon, Jan 7, 2019, 4:07 AM Christoph Hellwig <hch@....de <mailto:hch@....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.
>>
>