Re: [PATCH] docs: correct "gnttab=" documented default

[Julien Grall <julien@xxxxxxx>]

Hi Jan,

On 28/02/2022 10:19, Jan Beulich wrote:
> Defaults differ for Arm and x86, not the least because of v2 not even
> being security supported on Arm.
>
> Also drop a bogus sentence from gnttab_max_maptrack_frames, which was
> presumably mistakenly cloned from gnttab_max_frames (albeit even there
> what is being said is neither very precise nor very useful imo).
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> --- a/docs/misc/xen-command-line.pandoc
> +++ b/docs/misc/xen-command-line.pandoc
> @@ -1177,7 +1177,8 @@ Specify which console gdbstub should use
>   ### gnttab
>   > `= List of [ max-ver:<integer>, transitive=<bool>, transfer=<bool> ]`
>   
> -> Default: `gnttab=max-ver:2,transitive,transfer`
> +> Default (Arm): `gnttab=max-ver:1`
> +> Default (x86): `gnttab=max-ver:2,transitive,transfer`
AFAICT, the default would not be correct on x86 when CONFIG_PV=n because 
transfer is not available.
Cheers,

--
Julien Grall