Re: [PATCH v2 1/2] iommu/amd: Fix ivrs_acpihid cmdline parsing code

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On 9/19/22 10:56 AM, Kim Phillips wrote:
The second (UID) strcmp in acpi_dev_hid_uid_match considers
"0" and "00" different, which can prevent device registration.

Have the AMD IOMMU driver's ivrs_acpihid parsing code remove
any leading zeroes to make the UID strcmp succeed.  Now users
can safely specify "AMDxxxxx:00" or "AMDxxxxx:0" and expect
the same behaviour.

Fixes: ca3bf5d47cec ("iommu/amd: Introduces ivrs_acpihid kernel parameter")
Signed-off-by: Kim Phillips <kim.phillips@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
Cc: Joerg Roedel <jroedel@xxxxxxx>
---
v2: no changes

ping?

Thanks,

Kim



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