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/openbmc/linux/drivers/iommu/amd/ |
H A D | init.c | diff 1198d2316dc4265a97d0e8445a22c7a6d17580a4 Mon Sep 19 10:56:38 CDT 2022 Kim Phillips <kim.phillips@amd.com> 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: ca3bf5d47cec ("iommu/amd: Introduces ivrs_acpihid kernel parameter") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/linux-modules/20200310082308.14318-2-lucas.demarchi@intel.com/ Reported-by: Kim Phillips <kim.phillips@amd.com> Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Signed-off-by: Kim Phillips <kim.phillips@amd.com> Link: https://lore.kernel.org/r/20220919155638.391481-2-kim.phillips@amd.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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/openbmc/linux/Documentation/admin-guide/ |
H A D | kernel-parameters.txt | diff 1198d2316dc4265a97d0e8445a22c7a6d17580a4 Mon Sep 19 10:56:38 CDT 2022 Kim Phillips <kim.phillips@amd.com> 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: ca3bf5d47cec ("iommu/amd: Introduces ivrs_acpihid kernel parameter") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/linux-modules/20200310082308.14318-2-lucas.demarchi@intel.com/ Reported-by: Kim Phillips <kim.phillips@amd.com> Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Signed-off-by: Kim Phillips <kim.phillips@amd.com> Link: https://lore.kernel.org/r/20220919155638.391481-2-kim.phillips@amd.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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