[pve-devel] applied: [PATCH common] cpuset: remove max-cpu range check

Wolfgang Bumiller w.bumiller at proxmox.com
Thu Apr 20 14:12:27 CEST 2017


applied

On Thu, Apr 20, 2017 at 10:50:52AM +0200, Wolfgang Bumiller wrote:
> CpuSets usually come from (or a built using) values read
> from cgroups anyway. (Eg. for container balancing we only
> use ids found in lxc/cpuset.effective_cpus.)
> ---
> Requires the accompanying pve-manager patch.
> 
>  src/PVE/CpuSet.pm | 21 +--------------------
>  1 file changed, 1 insertion(+), 20 deletions(-)
> 
> diff --git a/src/PVE/CpuSet.pm b/src/PVE/CpuSet.pm
> index 9f76f38..eaa4e3c 100644
> --- a/src/PVE/CpuSet.pm
> +++ b/src/PVE/CpuSet.pm
> @@ -5,28 +5,13 @@ use warnings;
>  use PVE::Tools;
>  use PVE::ProcFSTools;
>  
> -my $MAX_CPUID;
> -
> -sub max_cpuid {
> -
> -    return $MAX_CPUID if defined($MAX_CPUID);
> -
> -    my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
> -
> -    $MAX_CPUID = $cpuinfo->{cpus} || 1;
> -
> -    return $MAX_CPUID;
> -}
> -
>  sub new {
>      my ($this) = @_;
>  
>      my $class = ref($this) || $this;
>  
>      my $self = bless { members => {} }, $class;
> -    
> -    max_cpuid() if !defined($MAX_CPUID); # initialize $MAX_CPUID
> -    
> +
>      return $self;
>  }
>  
> @@ -48,8 +33,6 @@ sub new_from_cgroup {
>  	if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
>  	    my ($from, $to) = ($1, $2);
>  	    $to //= $1;
> -	    die "cpu id '$from' is out of range\n" if $from >= $MAX_CPUID;
> -	    die "cpu id '$to' is out of range\n" if $to >= $MAX_CPUID;
>  	    die "invalid range: $part ($to < $from)\n" if $to < $from;
>  	    for (my $i = $from; $i <= $to; $i++) {
>  		$members->{$i} = 1;
> @@ -91,7 +74,6 @@ sub insert {
>      my $count = 0;
>      
>      foreach my $cpu (@members) {
> -	die "cpu id '$cpu' is out of range\n" if $cpu >= $MAX_CPUID;
>  	next if $self->{members}->{$cpu};
>  	$self->{members}->{$cpu} = 1;
>  	$count++;
> @@ -106,7 +88,6 @@ sub delete {
>      my $count = 0;
>      
>      foreach my $cpu (@members) {
> -	die "cpu id '$cpu' is out of range\n" if $cpu >= $MAX_CPUID;
>  	next if !$self->{members}->{$cpu};
>  	delete $self->{members}->{$cpu};
>  	$count++;
> -- 
> 2.11.0




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