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iommu/amd: Fix ill-formed ivrs_ioapic, ivrs_hpet and ivrs_acpihid options
Currently, these options cause the following libkmod error:
libkmod: ERROR ../libkmod/libkmod-config.c:489 kcmdline_parse_result: \
Ignoring bad option on kernel command line while parsing module \
name: 'ivrs_xxxx[XX:XX'
Fix by introducing a new parameter format for these options and
throw a warning for the deprecated format.
Users are still allowed to omit the PCI Segment if zero.
Adding a Link: to the reason why we're modding the syntax parsing
in the driver and not in libkmod.
Fixes: ca3bf5d ("iommu/amd: Introduces ivrs_acpihid kernel parameter")
Cc: [email protected]
Link: https://lore.kernel.org/linux-modules/[email protected]/
Reported-by: Kim Phillips <[email protected]>
Co-developed-by: Suravee Suthikulpanit <[email protected]>
Signed-off-by: Suravee Suthikulpanit <[email protected]>
Signed-off-by: Kim Phillips <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
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