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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-15 16:19:38 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-15 16:19:38 (GMT) |
commit | 227423904c709a8e60245c97081bbeb4fb500655 (patch) | |
tree | 97db1b8df1e4518334aea2fdf60363e0a691eb1e /kernel/cpu.c | |
parent | 1aaf2e59135fd67321f47c11c64a54aac27014e9 (diff) | |
parent | fa526d0d641b5365676a1fb821ce359e217c9b85 (diff) | |
download | linux-227423904c709a8e60245c97081bbeb4fb500655.tar.xz |
Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, pat: Fix cacheflush address in change_page_attr_set_clr()
mm: remove !NUMA condition from PAGEFLAGS_EXTENDED condition set
x86: Fix earlyprintk=dbgp for machines without NX
x86, pat: Sanity check remap_pfn_range for RAM region
x86, pat: Lookup the protection from memtype list on vm_insert_pfn()
x86, pat: Add lookup_memtype to get the current memtype of a paddr
x86, pat: Use page flags to track memtypes of RAM pages
x86, pat: Generalize the use of page flag PG_uncached
x86, pat: Add rbtree to do quick lookup in memtype tracking
x86, pat: Add PAT reserve free to io_mapping* APIs
x86, pat: New i/f for driver to request memtype for IO regions
x86, pat: ioremap to follow same PAT restrictions as other PAT users
x86, pat: Keep identity maps consistent with mmaps even when pat_disabled
x86, mtrr: make mtrr_aps_delayed_init static bool
x86, pat/mtrr: Rendezvous all the cpus for MTRR/PAT init
generic-ipi: Allow cpus not yet online to call smp_call_function with irqs disabled
x86: Fix an incorrect argument of reserve_bootmem()
x86: Fix system crash when loading with "reservetop" parameter
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r-- | kernel/cpu.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 67a6007..6ba0f1e 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -414,6 +414,14 @@ int disable_nonboot_cpus(void) return error; } +void __weak arch_enable_nonboot_cpus_begin(void) +{ +} + +void __weak arch_enable_nonboot_cpus_end(void) +{ +} + void __ref enable_nonboot_cpus(void) { int cpu, error; @@ -425,6 +433,9 @@ void __ref enable_nonboot_cpus(void) goto out; printk("Enabling non-boot CPUs ...\n"); + + arch_enable_nonboot_cpus_begin(); + for_each_cpu(cpu, frozen_cpus) { error = _cpu_up(cpu, 1); if (!error) { @@ -433,6 +444,9 @@ void __ref enable_nonboot_cpus(void) } printk(KERN_WARNING "Error taking CPU%d up: %d\n", cpu, error); } + + arch_enable_nonboot_cpus_end(); + cpumask_clear(frozen_cpus); out: cpu_maps_update_done(); |