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fix CONFIG_X86_MPPAARSE to CONFIG_X86_MPPARSE.

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Signed-off-by: Jingyu Wang <jingyuwang_vip@163.com>
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Jingyu Wang 2022-06-11 04:32:09 +08:00
parent fef396fbd7
commit 78d85d2d37
1 changed files with 1 additions and 1 deletions
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Initialization/linux-initialization-6.md
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@ -128,7 +128,7 @@ int __init acpi_mps_check(void)
} }
``` ```
It checks the built-in `MPS` or [MultiProcessor Specification](http://en.wikipedia.org/wiki/MultiProcessor_Specification) table. If `CONFIG_X86_LOCAL_APIC` is set and `CONFIG_x86_MPPAARSE` is not set, `acpi_mps_check` prints warning message if the one of the command line options: `acpi=off`, `acpi=noirq` or `pci=noacpi` passed to the kernel. If `acpi_mps_check` returns `1` it means that we disable local [APIC](http://en.wikipedia.org/wiki/Advanced_Programmable_Interrupt_Controller) and clear `X86_FEATURE_APIC` bit in the of the current CPU with the `setup_clear_cpu_cap` macro. (more about CPU mask you can read in the [CPU masks](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-2)). It checks the built-in `MPS` or [MultiProcessor Specification](http://en.wikipedia.org/wiki/MultiProcessor_Specification) table. If `CONFIG_X86_LOCAL_APIC` is set and `CONFIG_x86_MPPARSE` is not set, `acpi_mps_check` prints warning message if the one of the command line options: `acpi=off`, `acpi=noirq` or `pci=noacpi` passed to the kernel. If `acpi_mps_check` returns `1` it means that we disable local [APIC](http://en.wikipedia.org/wiki/Advanced_Programmable_Interrupt_Controller) and clear `X86_FEATURE_APIC` bit in the of the current CPU with the `setup_clear_cpu_cap` macro. (more about CPU mask you can read in the [CPU masks](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-2)).
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