Re: [Xen-devel] [Patch v2] docs: Correct docs for extra_guest_irqs command line option

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2013-07-31 at 14:35 +0100, Andrew Cooper wrote:
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> 
> ---
> Changes for v2:
>  * Spelling
>  * Clarification about the effects of optional parameters
> ---
>  docs/misc/xen-command-line.markdown |   10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/docs/misc/xen-command-line.markdown 
> b/docs/misc/xen-command-line.markdown
> index 708ffc2..775a018 100644
> --- a/docs/misc/xen-command-line.markdown
> +++ b/docs/misc/xen-command-line.markdown
> @@ -485,9 +485,15 @@ disable it (edid=no). This option should not normally be 
> required
>  except for debugging purposes.
>  
>  ### extra\_guest\_irqs
> -> `= <number>`
> +> `= [<domU number>][,<dom0 number>]`
>  
> -Increase the number of PIRQs available for the guest. The default is 32. 
> +> Default: `32,256`
> +
> +Change the number of PIRQs available for guests.  The optional first number 
> is
> +common for all domUs, while the optional second number (preceded by a comma)
> +is for dom0.  The numbers for domains are only changed if the option is
> +specified.  For example to change dom0 without changing domU, use
> +`extra_guest_irqs=,512`

So the effect of extra_guest_irqs=512 is to change only domU and not
dom0?

Perhaps:

"The numbers for domains are only changed if the option is specified."
=> "Changing the setting for domU has no impact on dom0 and vice versa."

Ian.



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