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From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: yong.wu@mediatek.com, joro@8bytes.org, will@kernel.org,
	robin.murphy@arm.com, matthias.bgg@gmail.com,
	jean-philippe@linaro.org, kevin.tian@intel.com,
	iommu@lists.linux.dev, linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH v5 6/6] iommu: Propagate return value in ->attach_dev callback functions
Date: Thu, 22 Sep 2022 14:51:21 -0300	[thread overview]
Message-ID: <YyygmTZfa9ZJJ4Mx@nvidia.com> (raw)
In-Reply-To: <8040df414a1d4bc007a25553b8341acf37ead670.1663836372.git.nicolinc@nvidia.com>

On Thu, Sep 22, 2022 at 01:54:45AM -0700, Nicolin Chen wrote:
> The mtk_iommu and virtio drivers have places in the ->attach_dev callback
> functions that return hardcode errnos instead of the returned values, but
> callers of these ->attach_dv callback functions may care. Propagate them
> directly without the extra conversions.
> 
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
>  drivers/iommu/mtk_iommu.c    | 2 +-
>  drivers/iommu/virtio-iommu.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason

WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: yong.wu@mediatek.com, joro@8bytes.org, will@kernel.org,
	robin.murphy@arm.com, matthias.bgg@gmail.com,
	jean-philippe@linaro.org, kevin.tian@intel.com,
	iommu@lists.linux.dev, linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH v5 6/6] iommu: Propagate return value in ->attach_dev callback functions
Date: Thu, 22 Sep 2022 14:51:21 -0300	[thread overview]
Message-ID: <YyygmTZfa9ZJJ4Mx@nvidia.com> (raw)
In-Reply-To: <8040df414a1d4bc007a25553b8341acf37ead670.1663836372.git.nicolinc@nvidia.com>

On Thu, Sep 22, 2022 at 01:54:45AM -0700, Nicolin Chen wrote:
> The mtk_iommu and virtio drivers have places in the ->attach_dev callback
> functions that return hardcode errnos instead of the returned values, but
> callers of these ->attach_dv callback functions may care. Propagate them
> directly without the extra conversions.
> 
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
>  drivers/iommu/mtk_iommu.c    | 2 +-
>  drivers/iommu/virtio-iommu.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason

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  reply	other threads:[~2022-09-22 17:51 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-22  8:53 [PATCH v5 0/6] Define EINVAL as device/domain incompatibility Nicolin Chen
2022-09-22  8:53 ` Nicolin Chen
2022-09-22  8:53 ` [PATCH v5 1/6] iommu/msm: Fix error-out routine in msm_iommu_attach_dev() Nicolin Chen
2022-09-22 17:23   ` Jason Gunthorpe
2022-09-22 18:26     ` Nicolin Chen
2022-09-22  8:53 ` [PATCH v5 2/6] iommu/amd: Drop unnecessary checks in amd_iommu_attach_device() Nicolin Chen
2022-09-22 17:23   ` Jason Gunthorpe
2022-09-22  8:54 ` [PATCH v5 3/6] iommu: Add return value rules to attach_dev op and APIs Nicolin Chen
2022-09-22  8:54   ` Nicolin Chen
2022-09-22 17:24   ` Jason Gunthorpe
2022-09-22 17:24     ` Jason Gunthorpe
2022-09-22  8:54 ` [PATCH v5 4/6] iommu: Regulate EINVAL in ->attach_dev callback functions Nicolin Chen
2022-09-22  8:54   ` Nicolin Chen
2022-09-22 17:25   ` Jason Gunthorpe
2022-09-22 17:25     ` Jason Gunthorpe
2022-09-22  8:54 ` [PATCH v5 5/6] iommu: Use EINVAL for incompatible device/domain in ->attach_dev Nicolin Chen
2022-09-22  8:54   ` Nicolin Chen
2022-09-22 17:50   ` Jason Gunthorpe
2022-09-22 17:50     ` Jason Gunthorpe
2022-09-22  8:54 ` [PATCH v5 6/6] iommu: Propagate return value in ->attach_dev callback functions Nicolin Chen
2022-09-22  8:54   ` Nicolin Chen
2022-09-22 17:51   ` Jason Gunthorpe [this message]
2022-09-22 17:51     ` Jason Gunthorpe
2022-09-23  1:09   ` Yong Wu
2022-09-23  1:09     ` Yong Wu

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