From: Mostafa Saleh <smostafa@google.com>
To: Daniel Mentz <danielmentz@google.com>
Cc: linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com,
suzuki.poulose@arm.com, yuzenghui@huawei.com,
catalin.marinas@arm.com, will@kernel.org, robin.murphy@arm.com,
jean-philippe@linaro.org, qperret@google.com, tabba@google.com,
jgg@ziepe.ca, mark.rutland@arm.com, praan@google.com
Subject: Re: [PATCH v4 16/28] iommu/arm-smmu-v3-kvm: Create array for hyp SMMUv3
Date: Tue, 16 Sep 2025 14:35:00 +0000 [thread overview]
Message-ID: <aMl1lCvuKQFfOhNb@google.com> (raw)
In-Reply-To: <CAE2F3rDc-4SirDDrQeZJQDqjdv67-QFfQhHfwyd+O6f5OsBSpw@mail.gmail.com>
On Tue, Sep 09, 2025 at 11:30:48AM -0700, Daniel Mentz wrote:
> On Tue, Aug 19, 2025 at 2:55 PM Mostafa Saleh <smostafa@google.com> wrote:
> >
> > + if (kvm_arm_smmu_array[i].mmio_size < SZ_128K) {
> > + pr_err("SMMUv3(%s) has unsupported size(0x%lx)\n", np->name,
> > + kvm_arm_smmu_array[i].mmio_size);
>
> Use format specifier %pOF to print device tree node.
> If mmio_size is a size_t type, use format specifier %zx.
> Align language of error message with kernel driver which prints "MMIO
> region too small (%pr)\n".
Thanks for catching that, I will fix it in v5.
> I'm wondering if we should use kvm_err instead of pr_err.
I am not sure, kvm_err seems to be used from core arch code only, but
I don't see why not.
Thanks,
Mostafa
next prev parent reply other threads:[~2025-09-16 14:35 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-19 21:51 [PATCH v4 00/28] KVM: arm64: SMMUv3 driver for pKVM (trap and emulate) Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 01/28] KVM: arm64: Add a new function to donate memory with prot Mostafa Saleh
2025-09-09 13:46 ` Will Deacon
2025-09-14 19:23 ` Pranjal Shrivastava
2025-09-16 11:58 ` Mostafa Saleh
2025-09-16 11:56 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 02/28] KVM: arm64: Donate MMIO to the hypervisor Mostafa Saleh
2025-09-09 14:12 ` Will Deacon
2025-09-16 13:27 ` Mostafa Saleh
2025-09-26 14:33 ` Will Deacon
2025-09-29 10:57 ` Mostafa Saleh
2025-09-14 20:41 ` Pranjal Shrivastava
2025-09-16 13:43 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 03/28] KVM: arm64: pkvm: Add pkvm_time_get() Mostafa Saleh
2025-09-09 14:16 ` Will Deacon
2025-09-09 15:56 ` Marc Zyngier
2025-09-15 11:10 ` Pranjal Shrivastava
2025-09-16 14:04 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 04/28] iommu/io-pgtable-arm: Move selftests to a separate file Mostafa Saleh
2025-09-15 14:37 ` Pranjal Shrivastava
2025-09-16 14:07 ` Mostafa Saleh
2025-09-15 16:45 ` Jason Gunthorpe
2025-09-16 14:09 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 05/28] iommu/io-pgtable-arm: Factor kernel specific code out Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 06/28] iommu/arm-smmu-v3: Split code with hyp Mostafa Saleh
2025-09-09 14:23 ` Will Deacon
2025-09-16 14:10 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 07/28] iommu/arm-smmu-v3: Move TLB range invalidation into a macro Mostafa Saleh
2025-09-09 14:25 ` Will Deacon
2025-08-19 21:51 ` [PATCH v4 08/28] iommu/arm-smmu-v3: Move IDR parsing to common functions Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 09/28] KVM: arm64: iommu: Introduce IOMMU driver infrastructure Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 10/28] KVM: arm64: iommu: Shadow host stage-2 page table Mostafa Saleh
2025-09-09 14:42 ` Will Deacon
2025-09-16 14:24 ` Mostafa Saleh
2025-09-26 14:42 ` Will Deacon
2025-09-29 11:01 ` Mostafa Saleh
2025-09-30 12:38 ` Jason Gunthorpe
2025-09-30 12:55 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 11/28] KVM: arm64: iommu: Add memory pool Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 12/28] KVM: arm64: iommu: Support DABT for IOMMU Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 13/28] iommu/arm-smmu-v3-kvm: Add SMMUv3 driver Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 14/28] iommu/arm-smmu-v3: Add KVM mode in the driver Mostafa Saleh
2025-09-12 13:52 ` Will Deacon
2025-09-16 14:30 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 15/28] iommu/arm-smmu-v3: Load the driver later in KVM mode Mostafa Saleh
2025-09-12 13:54 ` Will Deacon
2025-09-23 14:35 ` Mostafa Saleh
2025-09-23 17:38 ` Jason Gunthorpe
2025-09-29 11:10 ` Mostafa Saleh
2025-10-02 15:13 ` Jason Gunthorpe
2025-11-05 16:40 ` Mostafa Saleh
2025-11-05 17:12 ` Jason Gunthorpe
2025-11-06 11:06 ` Mostafa Saleh
2025-11-06 13:23 ` Jason Gunthorpe
2025-11-06 16:54 ` Mostafa Saleh
2025-11-06 17:16 ` Jason Gunthorpe
2025-08-19 21:51 ` [PATCH v4 16/28] iommu/arm-smmu-v3-kvm: Create array for hyp SMMUv3 Mostafa Saleh
2025-09-09 18:30 ` Daniel Mentz
2025-09-16 14:35 ` Mostafa Saleh [this message]
2025-08-19 21:51 ` [PATCH v4 17/28] iommu/arm-smmu-v3-kvm: Take over SMMUs Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 18/28] iommu/arm-smmu-v3-kvm: Probe SMMU HW Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 19/28] iommu/arm-smmu-v3-kvm: Add MMIO emulation Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 20/28] iommu/arm-smmu-v3-kvm: Shadow the command queue Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 21/28] iommu/arm-smmu-v3-kvm: Add CMDQ functions Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 22/28] iommu/arm-smmu-v3-kvm: Emulate CMDQ for host Mostafa Saleh
2025-09-12 14:18 ` Will Deacon
2025-09-15 16:38 ` Jason Gunthorpe
2025-09-16 15:19 ` Mostafa Saleh
2025-09-17 12:36 ` Jason Gunthorpe
2025-09-17 15:01 ` Will Deacon
2025-09-17 15:16 ` Jason Gunthorpe
2025-09-17 15:25 ` Will Deacon
2025-09-17 15:59 ` Jason Gunthorpe
2025-09-18 10:26 ` Will Deacon
2025-09-18 14:36 ` Jason Gunthorpe
2025-09-16 14:50 ` Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 23/28] iommu/arm-smmu-v3-kvm: Shadow stream table Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 24/28] iommu/arm-smmu-v3-kvm: Shadow STEs Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 25/28] iommu/arm-smmu-v3-kvm: Emulate GBPA Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 26/28] iommu/arm-smmu-v3-kvm: Support io-pgtable Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 27/28] iommu/arm-smmu-v3-kvm: Shadow the CPU stage-2 page table Mostafa Saleh
2025-08-19 21:51 ` [PATCH v4 28/28] iommu/arm-smmu-v3-kvm: Enable nesting Mostafa Saleh
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