Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (25 commits)
  mmtimer: Push BKL down into the ioctl handler
  [IA64] Remove experimental status of kdump
  [IA64] Update ia64 mmr list for SGI uv
  [IA64] Avoid overflowing ia64_cpu_to_sapicid in acpi_map_lsapic()
  [IA64] adding parameter check to module_free()
  [IA64] improper printk format in acpi-cpufreq
  [IA64] pv_ops: move some functions in ivt.S to avoid lack of space.
  [IA64] pvops: documentation on ia64/pv_ops
  [IA64] pvops: add to hooks, pv_time_ops, for steal time accounting.
  [IA64] pvops: add hooks, pv_irq_ops, to paravirtualized irq related operations.
  [IA64] pvops: add hooks, pv_iosapic_ops, to paravirtualize iosapic.
  [IA64] pvops: define initialization hooks, pv_init_ops, for paravirtualized environment.
  [IA64] pvops: paravirtualize NR_IRQS
  [IA64] pvops: paravirtualize entry.S
  [IA64] pvops: paravirtualize ivt.S
  [IA64] pvops: paravirtualize minstate.h.
  [IA64] pvops: define paravirtualized instructions for native.
  [IA64] pvops: preparation for paravirtulization of hand written assembly code.
  [IA64] pvops: introduce pv_cpu_ops to paravirtualize privileged instructions.
  [IA64] pvops: add an early setup hook for pv_ops.
  ...

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index aad1b7b1fff..65c10a42c88 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -24,6 +24,7 @@
 #include <asm/machvec.h>
 #include <asm/delay.h>
 #include <asm/hw_irq.h>
+#include <asm/paravirt.h>
 #include <asm/ptrace.h>
 #include <asm/sal.h>
 #include <asm/sections.h>
@@ -48,6 +49,15 @@ EXPORT_SYMBOL(last_cli_ip);
 
 #endif
 
+#ifdef CONFIG_PARAVIRT
+static void
+paravirt_clocksource_resume(void)
+{
+	if (pv_time_ops.clocksource_resume)
+		pv_time_ops.clocksource_resume();
+}
+#endif
+
 static struct clocksource clocksource_itc = {
 	.name           = "itc",
 	.rating         = 350,
@@ -56,6 +66,9 @@ static struct clocksource clocksource_itc = {
 	.mult           = 0, /*to be calculated*/
 	.shift          = 16,
 	.flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+#ifdef CONFIG_PARAVIRT
+	.resume		= paravirt_clocksource_resume,
+#endif
 };
 static struct clocksource *itc_clocksource;
 
@@ -157,6 +170,9 @@ timer_interrupt (int irq, void *dev_id)
 
 	profile_tick(CPU_PROFILING);
 
+	if (paravirt_do_steal_accounting(&new_itm))
+		goto skip_process_time_accounting;
+
 	while (1) {
 		update_process_times(user_mode(get_irq_regs()));
 
@@ -186,6 +202,8 @@ timer_interrupt (int irq, void *dev_id)
 		local_irq_disable();
 	}
 
+skip_process_time_accounting:
+
 	do {
 		/*
 		 * If we're too close to the next clock tick for
@@ -335,6 +353,11 @@ ia64_init_itm (void)
 		 */
 		clocksource_itc.rating = 50;
 
+	paravirt_init_missing_ticks_accounting(smp_processor_id());
+
+	/* avoid softlock up message when cpu is unplug and plugged again. */
+	touch_softlockup_watchdog();
+
 	/* Setup the CPU local timer tick */
 	ia64_cpu_local_tick();