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Subjectlinux-next: manual merge of the tip tree with Linus' tree
Hi all,

Today's linux-next merge of the tip tree got a conflict in
arch/x86/kernel/cpu/perf_event_intel_uncore.c between commit 2c666adacc9e
("x86, intel, uncore: Fix CPU hotplug callback registration") from Linus'
tree and commit 411cf180fa00 ("perf/x86/uncore: fix initialization of
cpumask") from the tip tree.

I fixed it up (maybe incorrectly - see below) and can carry the fix as
necessary (no action is required).

--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au

diff --cc arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 28922f62eb29,bd2253d40cff..000000000000
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@@ -3868,6 -4234,41 +4234,41 @@@ static int __init uncore_pmus_register(
return 0;
}

+ static void __init uncore_cpumask_init(void)
+ {
+ int cpu;
+
+ /*
+ * ony invoke once from msr or pci init code
+ */
+ if (!cpumask_empty(&uncore_cpu_mask))
+ return;
+
- get_online_cpus();
++ cpu_notifier_register_begin();
+
+ for_each_online_cpu(cpu) {
+ int i, phys_id = topology_physical_package_id(cpu);
+
+ for_each_cpu(i, &uncore_cpu_mask) {
+ if (phys_id == topology_physical_package_id(i)) {
+ phys_id = -1;
+ break;
+ }
+ }
+ if (phys_id < 0)
+ continue;
+
+ uncore_cpu_prepare(cpu, phys_id);
+ uncore_event_init_cpu(cpu);
+ }
+ on_each_cpu(uncore_cpu_setup, NULL, 1);
+
- register_cpu_notifier(&uncore_cpu_nb);
++ __register_cpu_notifier(&uncore_cpu_nb);
+
- put_online_cpus();
++ cpu_notifier_register_done();
+ }
+
+
static int __init intel_uncore_init(void)
{
int ret;
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