From: Christoph Hellwig <hch@infradead.org>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
iommu@lists.linux-foundation.org, robin.murphy@arm.com,
jon@solid-run.com, linuxarm@huawei.com, steven.price@arm.com,
guohanjun@huawei.com, yangyicong@huawei.com,
Sami.Mujawar@arm.com, will@kernel.org, wanghuiqiang@huawei.com
Subject: Re: [PATCH v9 05/11] iommu/dma: Introduce a helper to remove reserved regions
Date: Thu, 7 Apr 2022 06:26:44 -0700 [thread overview]
Message-ID: <Yk7mlMjnRZjDoUqb@infradead.org> (raw)
In-Reply-To: <20220404124209.1086-6-shameerali.kolothum.thodi@huawei.com>
>
> +static inline void iommu_dma_put_resv_regions(struct device *dev, struct list_head *list)
> +{
> +}
> +
> #endif /* CONFIG_IOMMU_DMA */
This changes behavior when CONFIG_IOMMU_DMA is not set. So e.g. on
ARM all the drivers that are using the new helper now fail to release
reserved regions.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: will@kernel.org, jon@solid-run.com, linuxarm@huawei.com,
steven.price@arm.com, linux-acpi@vger.kernel.org,
iommu@lists.linux-foundation.org, wanghuiqiang@huawei.com,
guohanjun@huawei.com, yangyicong@huawei.com,
Sami.Mujawar@arm.com, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v9 05/11] iommu/dma: Introduce a helper to remove reserved regions
Date: Thu, 7 Apr 2022 06:26:44 -0700 [thread overview]
Message-ID: <Yk7mlMjnRZjDoUqb@infradead.org> (raw)
In-Reply-To: <20220404124209.1086-6-shameerali.kolothum.thodi@huawei.com>
>
> +static inline void iommu_dma_put_resv_regions(struct device *dev, struct list_head *list)
> +{
> +}
> +
> #endif /* CONFIG_IOMMU_DMA */
This changes behavior when CONFIG_IOMMU_DMA is not set. So e.g. on
ARM all the drivers that are using the new helper now fail to release
reserved regions.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
iommu@lists.linux-foundation.org, robin.murphy@arm.com,
jon@solid-run.com, linuxarm@huawei.com, steven.price@arm.com,
guohanjun@huawei.com, yangyicong@huawei.com,
Sami.Mujawar@arm.com, will@kernel.org, wanghuiqiang@huawei.com
Subject: Re: [PATCH v9 05/11] iommu/dma: Introduce a helper to remove reserved regions
Date: Thu, 7 Apr 2022 06:26:44 -0700 [thread overview]
Message-ID: <Yk7mlMjnRZjDoUqb@infradead.org> (raw)
In-Reply-To: <20220404124209.1086-6-shameerali.kolothum.thodi@huawei.com>
>
> +static inline void iommu_dma_put_resv_regions(struct device *dev, struct list_head *list)
> +{
> +}
> +
> #endif /* CONFIG_IOMMU_DMA */
This changes behavior when CONFIG_IOMMU_DMA is not set. So e.g. on
ARM all the drivers that are using the new helper now fail to release
reserved regions.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-04-07 13:26 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-04 12:41 [PATCH v9 00/11] ACPI/IORT: Support for IORT RMR node Shameer Kolothum
2022-04-04 12:41 ` Shameer Kolothum
2022-04-04 12:41 ` Shameer Kolothum via iommu
2022-04-04 12:41 ` [PATCH v9 01/11] ACPI/IORT: Add temporary RMR node flag definitions Shameer Kolothum
2022-04-04 12:41 ` Shameer Kolothum
2022-04-04 12:41 ` Shameer Kolothum via iommu
2022-04-06 15:53 ` Lorenzo Pieralisi
2022-04-06 15:53 ` Lorenzo Pieralisi
2022-04-06 15:53 ` Lorenzo Pieralisi
2022-04-04 12:42 ` [PATCH v9 02/11] iommu: Introduce a union to struct iommu_resv_region Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-04 12:42 ` [PATCH v9 03/11] ACPI/IORT: Make iort_iommu_msi_get_resv_regions() return void Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-06 15:12 ` Lorenzo Pieralisi
2022-04-06 15:12 ` Lorenzo Pieralisi
2022-04-06 15:12 ` Lorenzo Pieralisi
2022-04-04 12:42 ` [PATCH v9 04/11] ACPI/IORT: Provide a generic helper to retrieve reserve regions Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-06 15:54 ` Lorenzo Pieralisi
2022-04-06 15:54 ` Lorenzo Pieralisi
2022-04-06 15:54 ` Lorenzo Pieralisi
2022-04-04 12:42 ` [PATCH v9 05/11] iommu/dma: Introduce a helper to remove reserved regions Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-07 13:26 ` Christoph Hellwig [this message]
2022-04-07 13:26 ` Christoph Hellwig
2022-04-07 13:26 ` Christoph Hellwig
2022-04-04 12:42 ` [PATCH v9 06/11] ACPI/IORT: Add support to retrieve IORT RMR " Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-06 15:47 ` Lorenzo Pieralisi
2022-04-06 15:47 ` Lorenzo Pieralisi
2022-04-06 15:47 ` Lorenzo Pieralisi
2022-04-07 13:28 ` Christoph Hellwig
2022-04-07 13:28 ` Christoph Hellwig
2022-04-07 13:28 ` Christoph Hellwig
2022-04-07 13:53 ` Robin Murphy
2022-04-07 13:53 ` Robin Murphy
2022-04-07 13:53 ` Robin Murphy
2022-04-07 13:59 ` Christoph Hellwig
2022-04-07 13:59 ` Christoph Hellwig
2022-04-07 13:59 ` Christoph Hellwig
2022-04-19 8:31 ` Shameerali Kolothum Thodi
2022-04-19 8:31 ` Shameerali Kolothum Thodi
2022-04-19 8:31 ` Shameerali Kolothum Thodi via iommu
2022-04-19 9:04 ` Christoph Hellwig
2022-04-19 9:04 ` Christoph Hellwig
2022-04-19 9:04 ` Christoph Hellwig
2022-04-04 12:42 ` [PATCH v9 07/11] ACPI/IORT: Add a helper to retrieve RMR info directly Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-06 15:51 ` Lorenzo Pieralisi
2022-04-06 15:51 ` Lorenzo Pieralisi
2022-04-06 15:51 ` Lorenzo Pieralisi
2022-04-04 12:42 ` [PATCH v9 08/11] iommu/arm-smmu-v3: Introduce strtab init helper Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-04 12:42 ` [PATCH v9 09/11] iommu/arm-smmu-v3: Refactor arm_smmu_init_bypass_stes() to force bypass Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-04 12:42 ` [PATCH v9 10/11] iommu/arm-smmu-v3: Get associated RMR info and install bypass STE Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-04 12:42 ` [PATCH v9 11/11] iommu/arm-smmu: Get associated RMR info and install bypass SMR Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum
2022-04-04 12:42 ` Shameer Kolothum via iommu
2022-04-07 15:43 ` [PATCH v9 00/11] ACPI/IORT: Support for IORT RMR node Steven Price
2022-04-07 15:43 ` Steven Price
2022-04-07 15:43 ` Steven Price
2022-04-19 14:50 ` Laurentiu Tudor
2022-04-19 14:50 ` Laurentiu Tudor
2022-04-19 14:50 ` Laurentiu Tudor
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