linux-kernel - RE: [PATCH v4 5/6] iommu: Use EINVAL for incompatible device/domain in ->attach

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Date:   Thu, 22 Sep 2022 08:19:30 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Nicolin Chen <nicolinc@...dia.com>,
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Subject: RE: [PATCH v4 5/6] iommu: Use EINVAL for incompatible device/domain
 in ->attach_dev

> From: Nicolin Chen <nicolinc@...dia.com>
> Sent: Wednesday, September 21, 2022 4:24 PM
> 
> Following the new rules in include/linux/iommu.h kdocs, update all drivers
> ->attach_dev callback functions to return EINVAL in the failure paths that
> are related to domain incompatibility.
> 
> Also, drop adjacent error prints to prevent a kernel log spam.
> 
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>

Reviewed-by: Kevin Tian <kevin.tian@...el.com>