Message ID | 1423763435-3696-3-git-send-email-ehabkost@redhat.com |
---|---|
State | New |
Headers | show |
On Thu, 12 Feb 2015 15:50:33 -0200 Eduardo Habkost <ehabkost@redhat.com> wrote: > CPU index is always less than max_cpus, as documented at sysemu.h: > > > The following shall be true for all CPUs: > > cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS > > Reject configuration which uses invalid CPU indexes. > > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Excluding nitpicking below Reviewed-by: Igor Mammedov <imammedo@redhat.com> > --- > v1 -> v2: (no changes) > > v2 -> v3: > * Check for (cpu >= max_cpus) instead of (cpu > max_cpus) > * Reword error message as we are not checking for "bigger than maxcpus" > CPU indexes > --- > numa.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/numa.c b/numa.c > index 41e496b..4139e46 100644 > --- a/numa.c > +++ b/numa.c > @@ -76,9 +76,11 @@ static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp) > } > > for (cpus = node->cpus; cpus; cpus = cpus->next) { > - if (cpus->value >= MAX_CPUMASK_BITS) { > - error_setg(errp, "CPU number %" PRIu16 " is bigger than %d", > - cpus->value, MAX_CPUMASK_BITS - 1); > + if (cpus->value >= max_cpus) { > + error_setg(errp, > + "CPU index (%" PRIu16 ")" \ '\' is not really necessary here > + " should be smaller than maxcpus (%d)", > + cpus->value, max_cpus); > return; > } > bitmap_set(numa_info[nodenr].node_cpu, cpus->value, 1);
diff --git a/numa.c b/numa.c index 41e496b..4139e46 100644 --- a/numa.c +++ b/numa.c @@ -76,9 +76,11 @@ static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp) } for (cpus = node->cpus; cpus; cpus = cpus->next) { - if (cpus->value >= MAX_CPUMASK_BITS) { - error_setg(errp, "CPU number %" PRIu16 " is bigger than %d", - cpus->value, MAX_CPUMASK_BITS - 1); + if (cpus->value >= max_cpus) { + error_setg(errp, + "CPU index (%" PRIu16 ")" \ + " should be smaller than maxcpus (%d)", + cpus->value, max_cpus); return; } bitmap_set(numa_info[nodenr].node_cpu, cpus->value, 1);