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| author | John W. Linville <linville@tuxdriver.com> | 2006-05-22 14:26:25 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-05-22 14:26:25 -0400 |
| commit | 3b38f317e529d8396377dafc7d95a1451a151df5 (patch) | |
| tree | 65e80799417c456bdd907b7d80182732be02e5f4 /arch/i386/kernel/apic.c | |
| parent | 5d25ea7c0c77cbdba1b5f092d60d624e24dfa938 (diff) | |
| parent | 353b28bafd1b962359a866ff263a7fad833d29a1 (diff) | |
Merge branch 'from-linus' into upstream
Diffstat (limited to 'arch/i386/kernel/apic.c')
| -rw-r--r-- | arch/i386/kernel/apic.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 013b85df18c..3d4b2f3d116 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -1341,6 +1341,14 @@ int __init APIC_init_uniprocessor (void) connect_bsp_APIC(); + /* + * Hack: In case of kdump, after a crash, kernel might be booting + * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid + * might be zero if read from MP tables. Get it from LAPIC. + */ +#ifdef CONFIG_CRASH_DUMP + boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID)); +#endif phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid); setup_local_APIC(); |