From: Nicolin Chen <nicolinc@nvidia.com>
To: Balbir Singh <balbirs@nvidia.com>
Cc: <jgg@nvidia.com>, <will@kernel.org>, <robin.murphy@arm.com>,
<joro@8bytes.org>, <jean-philippe@linaro.org>,
<miko.lenczewski@arm.com>, <peterz@infradead.org>,
<smostafa@google.com>, <kevin.tian@intel.com>, <praan@google.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <patches@lists.linux.dev>
Subject: Re: [PATCH rfcv2 2/8] iommu/arm-smmu-v3: Explicitly set smmu_domain->stage for SVA
Date: Tue, 9 Sep 2025 19:06:15 -0700 [thread overview]
Message-ID: <aMDdF7h/YCcVD9oA@Asurada-Nvidia> (raw)
In-Reply-To: <a21aa473-b85c-4c40-a3ca-efc68c264071@nvidia.com>
On Wed, Sep 10, 2025 at 08:31:43AM +1000, Balbir Singh wrote:
> On 9/9/25 09:26, Nicolin Chen wrote:
> > diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> > index cccf8f52ee0d5..0016ec699acfe 100644
> > --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> > +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> > @@ -3070,6 +3070,9 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
> > arm_smmu_install_ste_for_dev(master, &target);
> > arm_smmu_clear_cd(master, IOMMU_NO_PASID);
> > break;
> > + default:
> > + WARN_ON(true);
>
> WARN_ONCE_ONCE() and shoudn't ret be set to -EINVAL?
I will fix it.
Thanks
Nicolin
next prev parent reply other threads:[~2025-09-10 2:06 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-08 23:26 [PATCH rfcv2 0/8] iommu/arm-smmu-v3: Introduce an RCU-protected invalidation array Nicolin Chen
2025-09-08 23:26 ` [PATCH rfcv2 1/8] iommu/arm-smmu-v3: Clear cmds->num after arm_smmu_cmdq_batch_submit Nicolin Chen
2025-09-09 3:16 ` Balbir Singh
2025-09-09 5:42 ` Nicolin Chen
2025-09-09 22:49 ` Balbir Singh
2025-09-10 2:03 ` Nicolin Chen
2025-09-10 2:56 ` Nicolin Chen
2025-09-08 23:26 ` [PATCH rfcv2 2/8] iommu/arm-smmu-v3: Explicitly set smmu_domain->stage for SVA Nicolin Chen
2025-09-09 3:25 ` Balbir Singh
2025-09-09 22:31 ` Balbir Singh
2025-09-10 2:06 ` Nicolin Chen [this message]
2025-09-24 21:07 ` Jason Gunthorpe
2025-09-08 23:26 ` [PATCH rfcv2 3/8] iommu/arm-smmu-v3: Add an inline arm_smmu_domain_free() Nicolin Chen
2025-09-24 21:08 ` Jason Gunthorpe
2025-09-08 23:26 ` [PATCH rfcv2 4/8] iommu/arm-smmu-v3: Introduce a per-domain arm_smmu_invs array Nicolin Chen
2025-09-09 13:01 ` kernel test robot
2025-09-20 0:26 ` Nicolin Chen
2025-09-24 21:29 ` Jason Gunthorpe
2025-09-29 18:52 ` Nicolin Chen
2025-09-30 12:13 ` Jason Gunthorpe
2025-09-08 23:26 ` [PATCH rfcv2 5/8] iommu/arm-smmu-v3: Pre-allocate a per-master invalidation array Nicolin Chen
2025-09-24 21:32 ` Jason Gunthorpe
2025-09-29 19:11 ` Nicolin Chen
2025-09-30 11:55 ` Jason Gunthorpe
2025-09-08 23:27 ` [PATCH rfcv2 6/8] iommu/arm-smmu-v3: Populate smmu_domain->invs when attaching masters Nicolin Chen
2025-09-24 21:42 ` Jason Gunthorpe
2025-09-29 20:52 ` Nicolin Chen
2025-09-30 12:12 ` Jason Gunthorpe
2025-09-30 20:19 ` Nicolin Chen
2025-10-01 16:25 ` Jason Gunthorpe
2025-10-01 17:16 ` Nicolin Chen
2025-09-08 23:27 ` [PATCH rfcv2 7/8] iommu/arm-smmu-v3: Add arm_smmu_invs based arm_smmu_domain_inv_range() Nicolin Chen
2025-09-24 21:56 ` Jason Gunthorpe
2025-09-29 21:00 ` Nicolin Chen
2025-09-08 23:27 ` [PATCH rfcv2 8/8] iommu/arm-smmu-v3: Perform per-domain invalidations using arm_smmu_invs Nicolin Chen
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