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References: <20220829232934.3277747-1-yuzhao@google.com> <Yw9lOwlKrXyRsB8+@xsang-OptiPlex-9020>
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From:   Yu Zhao <yuzhao@google.com>
Date:   Wed, 31 Aug 2022 17:52:18 -0600
Message-ID: <CAOUHufaa2P471xL-8jCG-188386pkcKUBYPnM-mzq-f0W1eh8g@mail.gmail.com>
Subject: Re: [swiotlb] b253fbc6b9: WARNING:at_kernel/dma/direct.h:#dma_direct_map_page
To:     kernel test robot <oliver.sang@intel.com>
Cc:     lkp@lists.01.org, kernel test robot <lkp@intel.com>,
        iommu@lists.linux.dev, Christoph Hellwig <hch@infradead.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Dongli Zhang <dongli.zhang@oracle.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
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On Wed, Aug 31, 2022 at 7:42 AM kernel test robot <oliver.sang@intel.com> wrote:
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-11):
>
> commit: b253fbc6b9640aeebffc73d72bf0177c2a1ede1e ("[PATCH] Revert "swiotlb: panic if nslabs is too small"")
> url: https://github.com/intel-lab-lkp/linux/commits/Yu-Zhao/Revert-swiotlb-panic-if-nslabs-is-too-small/20220830-073123
> patch link: https://lore.kernel.org/lkml/20220829232934.3277747-1-yuzhao@google.com

Thanks.

It was reported and followed up on yesterday [1].

https://lore.kernel.org/r/20220831063818.3902572-1-yuzhao@google.com/