From: Nicolin Chen <nicolinc@nvidia•com>
To: Pranjal Shrivastava <praan@google•com>
Cc: <iommu@lists•linux.dev>, Will Deacon <will@kernel•org>,
Joerg Roedel <joro@8bytes•org>,
Robin Murphy <robin.murphy@arm•com>,
Jason Gunthorpe <jgg@ziepe•ca>,
Mostafa Saleh <smostafa@google•com>,
Daniel Mentz <danielmentz@google•com>,
Ashish Mhetre <amhetre@nvidia•com>,
<linux-arm-kernel@lists•infradead.org>
Subject: Re: [PATCH v8 11/12] iommu/arm-smmu-v3: Invoke pm_runtime before hw access
Date: Mon, 1 Jun 2026 17:24:18 -0700 [thread overview]
Message-ID: <ah4isiGhSScKMotO@Asurada-Nvidia> (raw)
In-Reply-To: <20260601215909.3958732-12-praan@google.com>
On Mon, Jun 01, 2026 at 09:59:08PM +0000, Pranjal Shrivastava wrote:
> -static inline bool arm_smmu_can_elide(struct arm_smmu_device *smmu)
> +static inline bool arm_smmu_cmdq_can_elide(struct arm_smmu_device *smmu)
> {
> return !!Q_STOP(READ_ONCE(smmu->cmdq.q.llq.prod));
> }
Can it be named perfectly at the beginning?
And again, should it check Q_STOP in vcmdq?
Nicolin
next prev parent reply other threads:[~2026-06-02 0:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 21:58 [PATCH v8 00/10] iommu/arm-smmu-v3: Implement Runtime/System Sleep ops Pranjal Shrivastava
2026-06-01 21:58 ` [PATCH v8 01/12] iommu/arm-smmu-v3: Refactor arm_smmu_setup_irqs Pranjal Shrivastava
2026-06-01 21:58 ` [PATCH v8 02/12] iommu/arm-smmu-v3: Add a helper to drain cmd queues Pranjal Shrivastava
2026-06-02 0:12 ` Nicolin Chen
2026-06-02 3:28 ` Pranjal Shrivastava
2026-06-02 5:21 ` Daniel Mentz
2026-06-01 21:59 ` [PATCH v8 03/12] iommu/tegra241-cmdqv: Add a helper to drain VCMDQs Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 04/12] iommu/tegra241-cmdqv: Restore PROD and CONS after resume Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 05/12] iommu/arm-smmu-v3: Cache and restore MSI config Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 06/12] iommu/arm-smmu-v3: Handle gerror during suspend Pranjal Shrivastava
2026-06-02 0:15 ` Nicolin Chen
2026-06-02 3:31 ` Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 07/12] iommu/arm-smmu-v3: Add CMDQ_PROD_STOP_FLAG to gate CMDQ submissions Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 08/12] iommu/tegra241-cmdqv: Add a helper to quiesce VCMDQs Pranjal Shrivastava
2026-06-02 0:14 ` Nicolin Chen
2026-06-02 3:37 ` Pranjal Shrivastava
2026-06-02 5:59 ` Nicolin Chen
2026-06-02 6:21 ` Pranjal Shrivastava
2026-06-02 6:29 ` Nicolin Chen
2026-06-01 21:59 ` [PATCH v8 09/12] iommu/arm-smmu-v3: Implement pm_runtime & system sleep ops Pranjal Shrivastava
2026-06-02 5:25 ` Daniel Mentz
2026-06-02 12:12 ` Pranjal Shrivastava
2026-06-02 15:27 ` Daniel Mentz
2026-06-01 21:59 ` [PATCH v8 10/12] iommu/arm-smmu-v3: Enable pm_runtime and setup devlinks Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 11/12] iommu/arm-smmu-v3: Invoke pm_runtime before hw access Pranjal Shrivastava
2026-06-02 0:24 ` Nicolin Chen [this message]
2026-06-02 3:59 ` Pranjal Shrivastava
2026-06-02 5:51 ` Nicolin Chen
2026-06-02 6:24 ` Pranjal Shrivastava
2026-06-03 20:28 ` Daniel Mentz
2026-06-04 6:27 ` Pranjal Shrivastava
2026-06-01 21:59 ` [PATCH v8 12/12] iommu/arm-smmu-v3: Add KUnit unit tests for Runtime PM Pranjal Shrivastava
2026-06-02 6:03 ` [PATCH v8 00/10] iommu/arm-smmu-v3: Implement Runtime/System Sleep ops Nicolin Chen
2026-06-02 12:04 ` Pranjal Shrivastava
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