From: Madhavan Srinivasan <maddy@linux.ibm.com>
To: iommu@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
Nilay Shroff <nilay@linux.ibm.com>
Cc: nicolinc@nvidia.com, joerg.roedel@amd.com,
baolu.lu@linux.intel.com, kevin.tian@intel.com,
sbhat@linux.ibm.com, stable@vger.kernel.org,
Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [PATCH] powerpc/iommu: fix lockdep warning during PCI enumeration
Date: Sun, 15 Mar 2026 09:31:30 +0530 [thread overview]
Message-ID: <177354720786.2367911.17952918247021806252.b4-ty@linux.ibm.com> (raw)
In-Reply-To: <20260310082129.3630996-1-nilay@linux.ibm.com>
On Tue, 10 Mar 2026 13:51:24 +0530, Nilay Shroff wrote:
> Commit a75b2be249d6 ("iommu: Add iommu_driver_get_domain_for_dev()
> helper") introduced iommu_driver_get_domain_for_dev() for driver
> code paths that hold iommu_group->mutex while attaching a device
> to an IOMMU domain.
>
> The same commit also added a lockdep assertion in
> iommu_get_domain_for_dev() to ensure that callers do not hold
> iommu_group->mutex when invoking it.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/iommu: fix lockdep warning during PCI enumeration
https://git.kernel.org/powerpc/c/82f73ef9c41e0623e0a8bdce4fa44a7237709f0c
cheers
prev parent reply other threads:[~2026-03-15 4:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 8:21 [PATCH] powerpc/iommu: fix lockdep warning during PCI enumeration Nilay Shroff
2026-03-13 5:41 ` Venkat
2026-03-13 5:45 ` Nicolin Chen
2026-03-15 4:01 ` Madhavan Srinivasan [this message]
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