linux-kernel - Re: [tip: x86/urgent] x86/dma: Tear down DMA ops on driver unbind

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Message-ID: <YH1GctvMa2filsNg@myrica>
Date:   Mon, 19 Apr 2021 10:59:30 +0200
From:   Jean-Philippe Brucker <jean-philippe@...aro.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-tip-commits@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        Jörg Rödel <joro@...tes.org>
Subject: Re: [tip: x86/urgent] x86/dma: Tear down DMA ops on driver unbind

On Sat, Apr 17, 2021 at 02:06:44PM +0200, Borislav Petkov wrote:
> Nope, sorry, no joy. Zapping it from tip.
> 
> With that patch, it fails booting on my test box with messages like
> (typing up from video I took):
> 
> ...
> ata: softreset failed (1st FIS failed)
> ahci 0000:03:00:1: AMD-Vi: Event logged [IO_PAGE_FAULT domain=...]
> ahci 0000:03:00:1: AMD-Vi: Event logged [IO_PAGE_FAULT domain=...]

Sorry about that, I only tested under QEMU. I'll try to reproduce this on
an AMD laptop.

Thanks,
Jean