linux-kernel - Re: [swiotlb] b253fbc6b9: WARNING:at_kernel/dma/direct.h:#dma_direct_map

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Message-ID: <CAOUHufaa2P471xL-8jCG-188386pkcKUBYPnM-mzq-f0W1eh8g@mail.gmail.com>
Date:   Wed, 31 Aug 2022 17:52:18 -0600
From:   Yu Zhao <yuzhao@...gle.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     lkp@...ts.01.org, kernel test robot <lkp@...el.com>,
        iommu@...ts.linux.dev, Christoph Hellwig <hch@...radead.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Dongli Zhang <dongli.zhang@...cle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [swiotlb] b253fbc6b9: WARNING:at_kernel/dma/direct.h:#dma_direct_map_page

On Wed, Aug 31, 2022 at 7:42 AM kernel test robot <oliver.sang@...el.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/