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Re: [Xen-devel] [PATCH 03/27] Guest setup: allow the amount of RAM to be a runvar



On Wed, Dec 10, 2014 at 07:09:18PM +0100, Dario Faggioli wrote:
> From: Dario Faggioli <raistlin@xxxxxxxx>
> 
> the value of which can be retrieved via guest_var('memory');.
> 
> This works for both PV and HVM Debian guests.
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> ---
>  Osstest/TestSupport.pm |    3 ++-
>  ts-debian-fixup        |    3 +++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
> index a3b6936..cdff8d5 100644
> --- a/Osstest/TestSupport.pm
> +++ b/Osstest/TestSupport.pm
> @@ -1460,11 +1460,12 @@ sub prepareguest_part_xencfg ($$$$$) {
>      my ($ho, $gho, $ram_mb, $xopts, $cfgrest) = @_;
>      my $onreboot= $xopts->{OnReboot} || 'restart';
>      my $vcpus= guest_var($gho, 'vcpus', $xopts->{DefVcpus} || 2);
> +    my $memory= guest_var($gho, 'memory', $xopts->{DefMem} || $ram_mb);
>      my $xoptcfg= $xopts->{ExtraConfig};
>      $xoptcfg='' unless defined $xoptcfg;
>      my $xencfg= <<END;
>  name        = '$gho->{Name}'
> -memory = ${ram_mb}
> +memory = ${memory}

You made ram_mb redundant. And this seems to be deep in the call chain
which has subtle knock on effect.

Wei.

>  vif         = [ 'type=ioemu,mac=$gho->{Ether}' ]
>  #
>  on_poweroff = 'destroy'
> diff --git a/ts-debian-fixup b/ts-debian-fixup
> index f001418..f85b06d 100755
> --- a/ts-debian-fixup
> +++ b/ts-debian-fixup
> @@ -113,10 +113,13 @@ sub setcfg ($$) {
>  
>  sub otherfixupcfg () {
>      my $vcpus= guest_var($gho,'vcpus',1);
> +    my $ram_mb= guest_var($gho,'memory',512);
>      $cfg =~ s/^dhcp/#$&/mg;
>      $cfg =~ s/^on_crash.*/on_crash='preserve'/mg;
>      $cfg =~ s/^vcpus.*//mg;
>      $cfg .= "\nvcpus = $vcpus\n";
> +    $cfg =~ s/^memory.*//mg;
> +    $cfg .= "\nmemory = $ram_mb\n";
>  
>      # PCI passthrough
>      # Look for runvars   <gn>_pcipassthrough_<devtype>=<hostident>
> 
> 
> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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