diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-05-07 19:19:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-07 19:19:56 +0200 |
| commit | 9438ef7f4ea73d5430a330fc206f97826eb9fb16 (patch) | |
| tree | 2b962b63d0d1ec650e4e6bcce928a5af5e12f2ac /arch/x86/kernel/setup.c | |
| parent | 42fa4250436304d4650fa271f37671f6cee24e08 (diff) | |
x86/apic: Fix UP boot crash
Commit 31b3c9d72340 ("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>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 8526317c5f0..7e67c5a7106 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1012,7 +1012,8 @@ void __init setup_arch(char **cmdline_p) init_cpu_to_node(); init_apic_mappings(); - x86_io_apic_ops.init(); + if (x86_io_apic_ops.init) + x86_io_apic_ops.init(); kvm_guest_init(); |