powerpc/powerpnv: Properly handle failure starting CPUs
If OPAL returns an error, propagate it upward rather than spinning seconds waiting for a CPU that will never show up Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -77,9 +77,11 @@ int pnv_smp_kick_cpu(int nr)
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if (!paca[nr].cpu_start && firmware_has_feature(FW_FEATURE_OPALv2)) {
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pr_devel("OPAL: Starting CPU %d (HW 0x%x)...\n", nr, pcpu);
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rc = opal_start_cpu(pcpu, start_here);
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if (rc != OPAL_SUCCESS)
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if (rc != OPAL_SUCCESS) {
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pr_warn("OPAL Error %ld starting CPU %d\n",
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rc, nr);
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return -ENODEV;
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}
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}
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return smp_generic_kick_cpu(nr);
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}
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