The patch titled
add i386 idle notifier (take 3) (fix)
has been added to the -mm tree. Its filename is
add-i386-idle-notifier-take-3-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: add i386 idle notifier (take 3) (fix)
From: Stephane Eranian <eranian@xxxxxxxxxx>
- do not export i386 idle notification registration entry points because
there is currently no user for this
- make it more explicit that the store to idle_state must be atomic
Signed-off-by: stephane eranian <eranian@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/process.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff -puN arch/i386/kernel/process.c~add-i386-idle-notifier-take-3-fix arch/i386/kernel/process.c
--- a/arch/i386/kernel/process.c~add-i386-idle-notifier-take-3-fix
+++ a/arch/i386/kernel/process.c
@@ -87,19 +87,18 @@ void idle_notifier_register(struct notif
{
atomic_notifier_chain_register(&idle_notifier, n);
}
-EXPORT_SYMBOL_GPL(idle_notifier_register);
void idle_notifier_unregister(struct notifier_block *n)
{
atomic_notifier_chain_unregister(&idle_notifier, n);
}
-EXPORT_SYMBOL(idle_notifier_unregister);
static DEFINE_PER_CPU(volatile unsigned long, idle_state);
void enter_idle(void)
{
- __get_cpu_var(idle_state) = 1;
+ /* needs to be atomic w.r.t. interrupts, not against other CPUs */
+ __set_bit(0, &__get_cpu_var(idle_state));
atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL);
}
_
Patches currently in -mm which might be from eranian@xxxxxxxxxx are
add-i386-idle-notifier-take-3.patch
add-i386-idle-notifier-take-3-fix.patch
-
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