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| author |   Yinghai Lu <yinghai@kernel.org> | 2009-05-15 13:05:16 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-05-18 08:43:25 +0200 |
| commit | 2759c3287de27266e06f1f4e82cbd2d65f6a044c (patch) | |
| tree | 78fa6a205d2e1c5f010f62e2ad50a181df1e5f47 /arch/x86/kernel/cpu/amd.c | |
| parent | x86, apic: introduce io_apic_irq_attr (diff) | |
| download | linux-dev-2759c3287de27266e06f1f4e82cbd2d65f6a044c.tar.xz linux-dev-2759c3287de27266e06f1f4e82cbd2d65f6a044c.zip | |
x86: don't call read_apic_id if !cpu_has_apic
should not call that if apic is disabled.
[ Impact: fix crash on certain UP configs ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
LKML-Reference: <4A09CCBB.2000306@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 7e4a459daa64..728b3750a3e8 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -272,7 +272,7 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c) #if defined(CONFIG_NUMA) && defined(CONFIG_X86_64) int cpu = smp_processor_id(); int node; - unsigned apicid = hard_smp_processor_id(); + unsigned apicid = cpu_has_apic ? hard_smp_processor_id() : c->apicid; node = c->phys_proc_id; if (apicid_to_node[apicid] != NUMA_NO_NODE) |