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| author | Paul Mackerras <paulus@samba.org> | 2007-09-20 10:09:27 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-20 10:09:27 +1000 |
| commit | 0ce49a3945474fc942ec37c0c0efece60f592f80 (patch) | |
| tree | f42b821b2d9e2d8775bc22f56d444c2cc7b7b7dd /drivers/acpi/processor_core.c | |
| parent | 9e4859ef5462193643fd2b3c8ffb298e5a4a4319 (diff) | |
| parent | a88a8eff1e6e32d3288986a9d36c6a449c032d3a (diff) | |
| download | linux-0ce49a3945474fc942ec37c0c0efece60f592f80.tar.gz linux-0ce49a3945474fc942ec37c0c0efece60f592f80.tar.bz2 linux-0ce49a3945474fc942ec37c0c0efece60f592f80.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/acpi/processor_core.c')
| -rw-r--r-- | drivers/acpi/processor_core.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index e944aaee4e06..2afb3d2086b3 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -724,6 +724,25 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) return; } +static int acpi_cpu_soft_notify(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (unsigned long)hcpu; + struct acpi_processor *pr = processors[cpu]; + + if (action == CPU_ONLINE && pr) { + acpi_processor_ppc_has_changed(pr); + acpi_processor_cst_has_changed(pr); + acpi_processor_tstate_has_changed(pr); + } + return NOTIFY_OK; +} + +static struct notifier_block acpi_cpu_notifier = +{ + .notifier_call = acpi_cpu_soft_notify, +}; + static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; @@ -987,6 +1006,7 @@ void acpi_processor_install_hotplug_notify(void) ACPI_UINT32_MAX, processor_walk_namespace_cb, &action, NULL); #endif + register_hotcpu_notifier(&acpi_cpu_notifier); } static @@ -999,6 +1019,7 @@ void acpi_processor_uninstall_hotplug_notify(void) ACPI_UINT32_MAX, processor_walk_namespace_cb, &action, NULL); #endif + unregister_hotcpu_notifier(&acpi_cpu_notifier); } /* |