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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-07-29 21:09:39 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-07-29 21:09:39 -0300
commit73bcc49959e4e40911dd0dd634bf1b353827df66 (patch)
tree6b0c1d440c490a65c51ab5cf5aee7095cb4089d3 /include/linux/rcutiny.h
parent8447c4d15e357a458c9051ddc84aa6c8b9c27000 (diff)
parent28a33cbc24e4256c143dce96c7d93bf423229f92 (diff)
Merge tag 'v3.5'
Linux 3.5 * tag 'v3.5': (1242 commits) Linux 3.5 Remove SYSTEM_SUSPEND_DISK system state kdb: Switch to nolock variants of kmsg_dump functions printk: Implement some unlocked kmsg_dump functions printk: Remove kdb_syslog_data kdb: Revive dmesg command dm raid1: set discard_zeroes_data_unsupported dm thin: do not send discards to shared blocks dm raid1: fix crash with mirror recovery and discard pnfs-obj: Fix __r4w_get_page when offset is beyond i_size pnfs-obj: don't leak objio_state if ore_write/read fails ore: Unlock r4w pages in exact reverse order of locking ore: Remove support of partial IO request (NFS crash) ore: Fix NFS crash by supporting any unaligned RAID IO UBIFS: fix a bug in empty space fix-up cx25821: Remove bad strcpy to read-only char* HID: hid-multitouch: add support for Zytronic panels MIPS: PCI: Move fixups from __init to __devinit. MIPS: Fix bug.h MIPS build regression MIPS: sync-r4k: remove redundant irq operation ...
Diffstat (limited to 'include/linux/rcutiny.h')
-rw-r--r--include/linux/rcutiny.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index adb5e5a38cae..4e56a9c69a35 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -87,17 +87,24 @@ static inline void kfree_call_rcu(struct rcu_head *head,
#ifdef CONFIG_TINY_RCU
-static inline int rcu_needs_cpu(int cpu)
+static inline void rcu_preempt_note_context_switch(void)
{
+}
+
+static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
+{
+ *delta_jiffies = ULONG_MAX;
return 0;
}
#else /* #ifdef CONFIG_TINY_RCU */
+void rcu_preempt_note_context_switch(void);
int rcu_preempt_needs_cpu(void);
-static inline int rcu_needs_cpu(int cpu)
+static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
{
+ *delta_jiffies = ULONG_MAX;
return rcu_preempt_needs_cpu();
}
@@ -106,6 +113,7 @@ static inline int rcu_needs_cpu(int cpu)
static inline void rcu_note_context_switch(int cpu)
{
rcu_sched_qs(cpu);
+ rcu_preempt_note_context_switch();
}
/*