diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-15 09:51:09 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-15 09:51:09 -0700 |
commit | 723e9db7a46e328527cc3da2b478b831184fe828 (patch) | |
tree | cdeda255633057dcb4c84097bed27b2bbf76970f /arch/powerpc/kernel/smp.c | |
parent | ada3fa15057205b7d3f727bba5cd26b5912e350f (diff) | |
parent | d331d8305cba713605854aab63a000fb892353a7 (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (134 commits)
powerpc/nvram: Enable use Generic NVRAM driver for different size chips
powerpc/iseries: Fix oops reading from /proc/iSeries/mf/*/cmdline
powerpc/ps3: Workaround for flash memory I/O error
powerpc/booke: Don't set DABR on 64-bit BookE, use DAC1 instead
powerpc/perf_counters: Reduce stack usage of power_check_constraints
powerpc: Fix bug where perf_counters breaks oprofile
powerpc/85xx: Fix SMP compile error and allow NULL for smp_ops
powerpc/irq: Improve nanodoc
powerpc: Fix some late PowerMac G5 with PCIe ATI graphics
powerpc/fsl-booke: Use HW PTE format if CONFIG_PTE_64BIT
powerpc/book3e: Add missing page sizes
powerpc/pseries: Fix to handle slb resize across migration
powerpc/powermac: Thermal control turns system off too eagerly
powerpc/pci: Merge ppc32 and ppc64 versions of phb_scan()
powerpc/405ex: support cuImage via included dtb
powerpc/405ex: provide necessary fixup function to support cuImage
powerpc/40x: Add support for the ESTeem 195E (PPC405EP) SBC
powerpc/44x: Add Eiger AMCC (AppliedMicro) PPC460SX evaluation board support.
powerpc/44x: Update Arches defconfig
powerpc/44x: Update Arches dts
...
Fix up conflicts in drivers/char/agp/uninorth-agp.c
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
-rw-r--r-- | arch/powerpc/kernel/smp.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 0b47de07302d..d387b3937ccc 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -269,7 +269,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus) cpu_callin_map[boot_cpuid] = 1; if (smp_ops) - max_cpus = smp_ops->probe(); + if (smp_ops->probe) + max_cpus = smp_ops->probe(); + else + max_cpus = NR_CPUS; else max_cpus = 1; @@ -412,9 +415,8 @@ int __cpuinit __cpu_up(unsigned int cpu) * CPUs can take much longer to come up in the * hotplug case. Wait five seconds. */ - for (c = 25; c && !cpu_callin_map[cpu]; c--) { - msleep(200); - } + for (c = 5000; c && !cpu_callin_map[cpu]; c--) + msleep(1); #endif if (!cpu_callin_map[cpu]) { @@ -494,7 +496,8 @@ int __devinit start_secondary(void *unused) preempt_disable(); cpu_callin_map[cpu] = 1; - smp_ops->setup_cpu(cpu); + if (smp_ops->setup_cpu) + smp_ops->setup_cpu(cpu); if (smp_ops->take_timebase) smp_ops->take_timebase(); @@ -557,7 +560,7 @@ void __init smp_cpus_done(unsigned int max_cpus) old_mask = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid)); - if (smp_ops) + if (smp_ops && smp_ops->setup_cpu) smp_ops->setup_cpu(boot_cpuid); set_cpus_allowed(current, old_mask); |