x86/apic: Fix UP boot crash
Commit 31b3c9d723
("xen/x86: Implement x86_apic_ops") implemented
this:
... without considering that on UP the function pointer might be NULL.
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: http://lkml.kernel.org/n/tip-3pfty0ml4yp62phbkchichh0@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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1 changed files with 2 additions and 1 deletions
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@ -1012,7 +1012,8 @@ void __init setup_arch(char **cmdline_p)
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init_cpu_to_node();
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init_apic_mappings();
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x86_io_apic_ops.init();
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if (x86_io_apic_ops.init)
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x86_io_apic_ops.init();
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kvm_guest_init();
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