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authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:09:09 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /arch/x86/kernel/smpboot.c
parentdca2d6ac09d9ef59ff46820d4f0c94b08a671202 (diff)
parentf39cdf25bf77219676ec5360980ac40b1a7e144a (diff)
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index ec7b64c2df8..213a7a3e456 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -47,6 +47,7 @@
#include <linux/bootmem.h>
#include <linux/err.h>
#include <linux/nmi.h>
+#include <linux/tboot.h>
#include <asm/acpi.h>
#include <asm/desc.h>
@@ -324,7 +325,7 @@ notrace static void __cpuinit start_secondary(void *unused)
/* enable local interrupts */
local_irq_enable();
- setup_secondary_clock();
+ x86_cpuinit.setup_percpu_clockev();
wmb();
load_debug_registers();
@@ -1060,12 +1061,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
#endif
current_thread_info()->cpu = 0; /* needed? */
for_each_possible_cpu(i) {
- alloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
- alloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
- alloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
- cpumask_clear(per_cpu(cpu_core_map, i));
- cpumask_clear(per_cpu(cpu_sibling_map, i));
- cpumask_clear(cpu_data(i).llc_shared_map);
+ zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
}
set_cpu_sibling_map(0);
@@ -1115,13 +1113,26 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
printk(KERN_INFO "CPU%d: ", 0);
print_cpu_info(&cpu_data(0));
- setup_boot_clock();
+ x86_init.timers.setup_percpu_clockev();
if (is_uv_system())
uv_system_init();
+
+ set_mtrr_aps_delayed_init();
out:
preempt_enable();
}
+
+void arch_enable_nonboot_cpus_begin(void)
+{
+ set_mtrr_aps_delayed_init();
+}
+
+void arch_enable_nonboot_cpus_end(void)
+{
+ mtrr_aps_init();
+}
+
/*
* Early setup to make printk work.
*/
@@ -1143,6 +1154,7 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
setup_ioapic_dest();
#endif
check_nmi_watchdog();
+ mtrr_aps_init();
}
static int __initdata setup_possible_cpus = -1;
@@ -1321,6 +1333,7 @@ void play_dead_common(void)
void native_play_dead(void)
{
play_dead_common();
+ tboot_shutdown(TB_SHUTDOWN_WFS);
wbinvd_halt();
}