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Message-ID: <6ee6fe1b-e811-cada-0c18-78149c313358@huawei.com>
Date:   Tue, 7 Dec 2021 13:54:24 +0000
From:   John Garry <john.garry@...wei.com>
To:     <Ajish.Koshy@...rochip.com>
CC:     <jinpu.wang@...ud.ionos.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <Viswas.G@...rochip.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <damien.lemoal@...nsource.wdc.com>, <Niklas.Cassel@....com>,
        <Vasanthalakshmi.Tharmarajan@...rochip.com>
Subject: Re: [PATCH] scsi: pm8001: Fix phys_to_virt() usage on dma_addr_t

On 07/12/2021 10:36, Ajish.Koshy@...rochip.com wrote:
> Well I could see this kernel panic [  126.843958] RIP: 0010:pm80xx_chip_smp_req+0x1d6/0x2e0 [pm80xx] with respect to existing driver on my current system x86 64bit after enabling the following 2 kernel boot arguments:
> -intel_iommu=on
> -iommu.passthrough=0
>
OK, so it seems that it was the kernel which was just not enabling the 
IOMMU previously, which would be consistent with what Niklas mentioned.

Anyway, please supply reviewed-by and/or tested-by tags so that the SCSI 
maintainers can pick it up.

I suppose that we should also have:

Fixes: f5860992db55 ("[SCSI] pm80xx: Added SPCv/ve specific hardware
functionalities and relevant changes in common files")

Thanks for testing,
John

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