Re: [Xen-devel] [PATCH DOCDAY] docs: add some missing options to misc/xen-command-line.markdown

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 26/03/12 10:39, Ian Campbell wrote:
> # HG changeset patch
> # User Ian Campbell <ian.campbell@xxxxxxxxxx>
> # Date 1332754733 -3600
> # Node ID 7b59ec903645dffd6f0e07ba8428ef540bc268d4
> # Parent  b3fc067f938da14fd8b0dce7b00c4876bbf99e8b
> docs: add some missing options to misc/xen-command-line.markdown
>
> These were mostly ones from xen/arch/x86/boot/cmdline.S which are handled 
> early
> and therefore do not use the usual infrastructure and so got missed in the
> initial trawl.
>
> The document now contains (AFAICT) every still valid option which was
> previously documented at:
> http://wiki.xen.org/wiki?title=Xen_Hypervisor_Boot_Options&oldid=1379
>
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
>
> diff -r b3fc067f938d -r 7b59ec903645 docs/misc/xen-command-line.markdown
> --- a/docs/misc/xen-command-line.markdown     Mon Mar 26 10:26:58 2012 +0100
> +++ b/docs/misc/xen-command-line.markdown     Mon Mar 26 10:38:53 2012 +0100
> @@ -96,6 +96,10 @@ from the MP tables.
>  Finally, any of the boolean false options can be used to disable ACPI
>  usage entirely.
>  
> +Because responsiblity for ACPI processing is shared between Xen and
> +the domain 0 kernel this option is automatically propagated to the
> +domain 0 command line
> +
>  ### acpi\_apic\_instance
>  > `= <integer>`
>  
> @@ -103,7 +107,15 @@ Specify which ACPI MADT table to parse f
>  than one is present.
>  
>  ### acpi\_pstate\_strict
> +
>  ### acpi\_skip\_timer\_override
> +
> +Instruct Xen to ignore timer-interrupt override.
> +
> +Because responsiblity for ACPI processing is shared between Xen and
> +the domain 0 kernel this option is automatically propagated to the
> +domain 0 command line
> +
>  ### acpi\_sleep
>  ### additional\_cpus
>  ### allowsuperpage
> @@ -300,8 +312,26 @@ Pin dom0 vcpus to their respective pcpus
>  ### dom\_rid\_bits
>  ### e820-mtrr-clip
>  ### e820-verbose
> +
> +### edd (x86)
> +< `= off | on | skipmbr`

Perhaps you mean ">" for block indent ?

~Andrew

> +
> +Control retrieval of Extended Disc Data (EDD) from the BIOS during
> +boot.
> +
> +### edid (x86)
> +> `= no | force`
> +
> +Either force retrieval of monitor EDID information via VESA DDC, or
> +disable it (edid=no). This option should not normally be required
> +except for debugging purposes.
> +
>  ### efi\_print
>  ### extra\_guest\_irqs
> +> `= <number>`
> +
> +Increase the number of PIRQs available for the guest. The default is 32. 
> +
>  ### flask\_enabled
>  ### flask\_enforcing
>  ### font
> @@ -381,6 +411,15 @@ Specify what Xen should do in the event 
>  dom0, while 'fatal' causes Xen to print diagnostics and then hang.
>  
>  ### noapic
> +
> +Instruct Xen to ignore any IOAPICs that are present in the system, and
> +instead continue to use the legacy PIC. This is _not_ recommended with
> +pvops type kernels.
> +
> +Because responsiblity for APIC setup is shared between Xen and the
> +domain 0 kernel this option is automatically propagated to the domain
> +0 command line.
> +
>  ### nofxsr
>  ### noirqbalance
>  > `= <boolean>`
> @@ -394,6 +433,12 @@ IRQ routing issues.
>  Ignore the local APIC on a uniprocessor system, even if enabled by the
>  BIOS.  This option will accept value.
>  
> +### no-real-mode (x86)
> +
> +Do not execute real-mode bootstrap code when booting Xen. This option
> +should not be used except for debugging. It will effectively disable
> +the vga option, which relies on real mode to set the video mode.
> +
>  ### noreboot
>  > `= <boolean>`
>  

-- 
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com


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