The patch titled
s390: exploit rcu_needs_cpu() interface
has been removed from the -mm tree. Its filename is
s390-exploit-rcu_needs_cpu-interface.patch
This patch was probably dropped from -mm because
it has now been merged into a subsystem tree or
into Linus's tree, or because it was folded into
its parent patch in the -mm tree.
From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Exploit rcu_needs_cpu() interface to keep the cpu 'ticking' if necessary.
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/s390/kernel/time.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff -puN arch/s390/kernel/time.c~s390-exploit-rcu_needs_cpu-interface arch/s390/kernel/time.c
--- devel/arch/s390/kernel/time.c~s390-exploit-rcu_needs_cpu-interface 2006-05-15 09:43:25.000000000 -0700
+++ devel-akpm/arch/s390/kernel/time.c 2006-05-15 09:43:25.000000000 -0700
@@ -249,18 +249,19 @@ static inline void stop_hz_timer(void)
unsigned long flags;
unsigned long seq, next;
__u64 timer, todval;
+ int cpu = smp_processor_id();
if (sysctl_hz_timer != 0)
return;
- cpu_set(smp_processor_id(), nohz_cpu_mask);
+ cpu_set(cpu, nohz_cpu_mask);
/*
* Leave the clock comparator set up for the next timer
* tick if either rcu or a softirq is pending.
*/
- if (rcu_pending(smp_processor_id()) || local_softirq_pending()) {
- cpu_clear(smp_processor_id(), nohz_cpu_mask);
+ if (rcu_needs_cpu(cpu) || local_softirq_pending()) {
+ cpu_clear(cpu, nohz_cpu_mask);
return;
}
_
Patches currently in -mm which might be from heiko.carstens@xxxxxxxxxx are
origin.patch
git-klibc.patch
adjust-handle_irr_event-return-type.patch
-
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