diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-03-19 14:25:55 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:02 +0200 |
| commit | b9f9294a86fd274e4055891450033e8bc9d68f66 (patch) | |
| tree | a15e1a0b109e10a76802c5c42dafce23d57087c7 /arch | |
| parent | 071782692798d7a6e0a5679f3186ea7fea49fd62 (diff) | |
x86: add callin tests to cpu_up
Now that we boot cpus here, callin_map has this meaning (same
as x86_64)
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/smpboot_32.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 4ba5ab2d81f..33758a2ddd4 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -839,6 +839,7 @@ int __cpuinit native_cpu_up(unsigned int cpu) { int apicid = cpu_present_to_apicid(cpu); unsigned long flags; + int err; WARN_ON(irqs_disabled()); @@ -851,6 +852,14 @@ int __cpuinit native_cpu_up(unsigned int cpu) } /* + * Already booted CPU? + */ + if (cpu_isset(cpu, cpu_callin_map)) { + Dprintk("do_boot_cpu %d Already started\n", cpu); + return -ENOSYS; + } + + /* * Save current MTRR state in case it was changed since early boot * (e.g. by the ACPI SMI) to initialize new CPUs with MTRRs in sync: */ @@ -863,15 +872,12 @@ int __cpuinit native_cpu_up(unsigned int cpu) min_t(unsigned long, KERNEL_PGD_PTRS, USER_PGD_PTRS)); flush_tlb_all(); - do_boot_cpu(apicid, cpu); - - /* In case one didn't come up */ - if (!cpu_isset(cpu, cpu_callin_map)) { - printk(KERN_DEBUG "skipping cpu%d, didn't come online\n", cpu); - return -EIO; + err = do_boot_cpu(apicid, cpu); + if (err < 0) { + Dprintk("do_boot_cpu failed %d\n", err); + return err; } - /* * Check TSC synchronization with the AP (keep irqs disabled * while doing so): |