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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 15:58:17 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 15:58:17 -0800
commite952f31bce6e9f64db01f607abc46529ba57ac9e (patch)
treeb746bcd315d4f86c9ed7617939f29339fc692852 /arch/ia64/kernel/irq.c
parente0f4ab8a1741193891f096aa63df9ac8672af54c (diff)
parent133a58c1fd97022690d53dd58df56579193cbc1d (diff)
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: [IA64-SGI] SN2-XP reduce kmalloc wrapper inlining [IA64] MCA: remove obsolete ifdef [IA64] MCA: update MCA comm field for user space tasks [IA64] MCA: print messages in MCA handler [IA64-SGI] - Eliminate SN pio_phys_xxx macros. Move to assembly [IA64] use icc defined constant [IA64] add __builtin_trap definition for icc build [IA64] clean up asm/intel_intrin.h [IA64] map ia64_hint definition to intel compiler intrinsic [IA64] hooks to wait for mmio writes to drain when migrating processes [IA64-SGI] driver bugfixes and hardware workarounds for CE1.0 asic [IA64-SGI] Handle SC env. powerdown events [IA64] Delete MCA/INIT sigdelayed code [IA64-SGI] sem2mutex ioc4.c [IA64] implement ia64 specific mutex primitives [IA64] Fix UP build with BSP removal support. [IA64] support for cpu0 removal
Diffstat (limited to 'arch/ia64/kernel/irq.c')
-rw-r--r--arch/ia64/kernel/irq.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index d33244c3275..5ce908ef9c9 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -163,8 +163,19 @@ void fixup_irqs(void)
{
unsigned int irq;
extern void ia64_process_pending_intr(void);
+ extern void ia64_disable_timer(void);
+ extern volatile int time_keeper_id;
+
+ ia64_disable_timer();
+
+ /*
+ * Find a new timesync master
+ */
+ if (smp_processor_id() == time_keeper_id) {
+ time_keeper_id = first_cpu(cpu_online_map);
+ printk ("CPU %d is now promoted to time-keeper master\n", time_keeper_id);
+ }
- ia64_set_itv(1<<16);
/*
* Phase 1: Locate irq's bound to this cpu and
* relocate them for cpu removal.