linux-kernel - Re: drivers/iommu/qcom_iommu.c:348 qcom_iommu_domain

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Message-ID: <20200218184355.GA2667975@kroah.com>
Date:   Tue, 18 Feb 2020 19:43:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Sasha Levin <sashal@...nel.org>,
        iommu@...ts.linux-foundation.org, robdclark@...il.com,
        bjorn.andersson@...aro.org,
        Nicolas Dechesne <nicolas.dechesne@...aro.org>,
        Will Deacon <will@...nel.org>, joro@...tes.org,
        masneyb@...tation.org, lkft-triage@...ts.linaro.org,
        open list <linux-kernel@...r.kernel.org>,
        linux- stable <stable@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org
Subject: Re: drivers/iommu/qcom_iommu.c:348 qcom_iommu_domain_free+0x5c/0x70

On Tue, Feb 18, 2020 at 06:31:51PM +0000, Robin Murphy wrote:
> On 18/02/2020 6:23 pm, Greg Kroah-Hartman wrote:
> [...]
> > Can you bisect to find the offending commit?
> 
> This particular presentation appears to be down to the DRM driver starting
> to call of_platform_depopulate(), but it's merely exposing badness in the
> IOMMU driver that's been there from day 1. I just sent a fix for that[1].
> 
> Robin.
> 
> [1] https://lore.kernel.org/linux-iommu/be92829c6e5467634b109add002351e6cf9e18d2.1582049382.git.robin.murphy@arm.com/

Can you also add a cc: stable tag to it so that I know to pick it up?

thanks,

greg k-h