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arm64 fixes:

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- Leftover put_cpu() in the perf/smmuv3 error path.
 
 - Add Hisilicon TSV110 to spectre-v2 safe list
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Leftover put_cpu() in the perf/smmuv3 error path.

 - Add Hisilicon TSV110 to spectre-v2 safe list

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: cpu_errata: Add Hisilicon TSV110 to spectre-v2 safe list
  perf/smmuv3: Remove the leftover put_cpu() in error path
This commit is contained in:
Linus Torvalds 2019-12-20 13:36:49 -08:00
commit 3939f2c866
2 changed files with 2 additions and 3 deletions
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1
arch/arm64/kernel/cpu_errata.c
View File

@ -547,6 +547,7 @@ static const struct midr_range spectre_v2_safe_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
{ /* sentinel */ } { /* sentinel */ }
}; };

4
drivers/perf/arm_smmuv3_pmu.c
View File

@ -814,7 +814,7 @@ static int smmu_pmu_probe(struct platform_device *pdev)
if (err) { if (err) {
dev_err(dev, "Error %d registering hotplug, PMU @%pa\n", dev_err(dev, "Error %d registering hotplug, PMU @%pa\n",
err, &res_0->start); err, &res_0->start);
goto out_cpuhp_err; return err;
} }
err = perf_pmu_register(&smmu_pmu->pmu, name, -1); err = perf_pmu_register(&smmu_pmu->pmu, name, -1);
@ -833,8 +833,6 @@ static int smmu_pmu_probe(struct platform_device *pdev)
out_unregister: out_unregister:
cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node); cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node);
out_cpuhp_err:
put_cpu();
return err; return err;
} }