Doc: admin-guide: use correct legends in kernel-parameters.txt
authorRandy Dunlap <rdunlap@infradead.org>
Mon, 10 Aug 2020 02:49:41 +0000 (19:49 -0700)
committerJonathan Corbet <corbet@lwn.net>
Tue, 11 Aug 2020 16:41:35 +0000 (10:41 -0600)
Documentation/admin-guide/kernel-parameters.rst includes a legend
telling us what configurations or hardware platforms are relevant
for certain boot options.  For X86, it is spelled "X86" and for
x86_64, it is spelled "X86-64", so make corrections for those.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Link: https://lore.kernel.org/r/20200810024941.30231-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/admin-guide/kernel-parameters.txt

index d325726..8ccf198 100644 (file)
                        memory region [offset, offset + size] for that kernel
                        image. If '@offset' is omitted, then a suitable offset
                        is selected automatically.
-                       [KNL, x86_64] select a region under 4G first, and
+                       [KNL, X86-64] Select a region under 4G first, and
                        fall back to reserve region above 4G when '@offset'
                        hasn't been specified.
                        See Documentation/admin-guide/kdump/kdump.rst for further details.
                        Documentation/admin-guide/kdump/kdump.rst for an example.
 
        crashkernel=size[KMG],high
-                       [KNL, x86_64] range could be above 4G. Allow kernel
+                       [KNL, X86-64] range could be above 4G. Allow kernel
                        to allocate physical memory region from top, so could
                        be above 4G if system have more than 4G ram installed.
                        Otherwise memory region will be allocated below 4G, if
                        available.
                        It will be ignored if crashkernel=X is specified.
        crashkernel=size[KMG],low
-                       [KNL, x86_64] range under 4G. When crashkernel=X,high
+                       [KNL, X86-64] range under 4G. When crashkernel=X,high
                        is passed, kernel could allocate physical memory region
                        above 4G, that cause second kernel crash on system
                        that require some amount of low memory, e.g. swiotlb
 
        gamma=          [HW,DRM]
 
-       gart_fix_e820=  [X86_64] disable the fix e820 for K8 GART
+       gart_fix_e820=  [X86-64] disable the fix e820 for K8 GART
                        Format: off | on
                        default: on
 
                        Format: 0 | 1
                        Default set by CONFIG_INIT_ON_FREE_DEFAULT_ON.
 
-       init_pkru=      [x86] Specify the default memory protection keys rights
+       init_pkru=      [X86] Specify the default memory protection keys rights
                        register contents for all processes.  0x55555554 by
                        default (disallow access to all but pkey 0).  Can
                        override in debugfs after boot.
        inport.irq=     [HW] Inport (ATI XL and Microsoft) busmouse driver
                        Format: <irq>
 
-       int_pln_enable  [x86] Enable power limit notification interrupt
+       int_pln_enable  [X86] Enable power limit notification interrupt
 
        integrity_audit=[IMA]
                        Format: { "0" | "1" }
                        bypassed by not enabling DMAR with this option. In
                        this case, gfx device will use physical address for
                        DMA.
-               forcedac [x86_64]
+               forcedac [X86-64]
                        With this option iommu will not optimize to look
                        for io virtual address below 32-bit forcing dual
                        address cycle on pci bus for cards supporting greater
                strict  regions from userspace.
                relaxed
 
-       iommu=          [x86]
+       iommu=          [X86]
                off
                force
                noforce
                merge
                nomerge
                soft
-               pt              [x86]
-               nopt            [x86]
+               pt              [X86]
+               nopt            [X86]
                nobypass        [PPC/POWERNV]
                        Disable IOMMU bypass, using IOMMU for PCI devices.
 
 
        iucv=           [HW,NET]
 
-       ivrs_ioapic     [HW,X86_64]
+       ivrs_ioapic     [HW,X86-64]
                        Provide an override to the IOAPIC-ID<->DEVICE-ID
                        mapping provided in the IVRS ACPI table. For
                        example, to map IOAPIC-ID decimal 10 to
                        PCI device 00:14.0 write the parameter as:
                                ivrs_ioapic[10]=00:14.0
 
-       ivrs_hpet       [HW,X86_64]
+       ivrs_hpet       [HW,X86-64]
                        Provide an override to the HPET-ID<->DEVICE-ID
                        mapping provided in the IVRS ACPI table. For
                        example, to map HPET-ID decimal 0 to
                        PCI device 00:14.0 write the parameter as:
                                ivrs_hpet[0]=00:14.0
 
-       ivrs_acpihid    [HW,X86_64]
+       ivrs_acpihid    [HW,X86-64]
                        Provide an override to the ACPI-HID:UID<->DEVICE-ID
                        mapping provided in the IVRS ACPI table. For
                        example, to map UART-HID:UID AMD0020:0 to
        lapic           [X86-32,APIC] Enable the local APIC even if BIOS
                        disabled it.
 
-       lapic=          [x86,APIC] "notscdeadline" Do not use TSC deadline
+       lapic=          [X86,APIC] "notscdeadline" Do not use TSC deadline
                        value for LAPIC timer one-shot implementation. Default
                        back to the programmable timer unit in the LAPIC.
 
                        register save and restore. The kernel will only save
                        legacy floating-point registers on task switch.
 
-       nohugeiomap     [KNL,x86,PPC] Disable kernel huge I/O mappings.
+       nohugeiomap     [KNL,X86,PPC] Disable kernel huge I/O mappings.
 
        nosmt           [KNL,S390] Disable symmetric multithreading (SMT).
                        Equivalent to smt=1.
 
-                       [KNL,x86] Disable symmetric multithreading (SMT).
+                       [KNL,X86] Disable symmetric multithreading (SMT).
                        nosmt=force: Force disable SMT, cannot be undone
                                     via the sysfs control file.
 
        pt.             [PARIDE]
                        See Documentation/admin-guide/blockdev/paride.rst.
 
-       pti=            [X86_64] Control Page Table Isolation of user and
+       pti=            [X86-64] Control Page Table Isolation of user and
                        kernel address spaces.  Disabling this feature
                        removes hardening, but improves performance of
                        system calls and interrupts.
 
                        Not specifying this option is equivalent to pti=auto.
 
-       nopti           [X86_64]
+       nopti           [X86-64]
                        Equivalent to pti=off
 
        pty.legacy_count=