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authorJakub Kicinski <kuba@kernel.org>2025-07-10 10:08:47 -0700
committerJakub Kicinski <kuba@kernel.org>2025-07-10 10:10:49 -0700
commit3321e97eab71df7d632b35276da9f8503e6e040f (patch)
tree6a4ec5e7556d99a0ff25f4035f078d8e0186f359 /kernel/stop_machine.c
parentMerge branch 'net-dsa-rzn1_a5psw-add-compile_test' (diff)
parentMerge tag 'net-6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadwireguard-linux-3321e97eab71df7d632b35276da9f8503e6e040f.tar.xz
wireguard-linux-3321e97eab71df7d632b35276da9f8503e6e040f.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc6). No conflicts. Adjacent changes: Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml 0a12c435a1d6 ("dt-bindings: net: sun8i-emac: Add A100 EMAC compatible") b3603c0466a8 ("dt-bindings: net: sun8i-emac: Rename A523 EMAC0 to GMAC0") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/stop_machine.c')
-rw-r--r--kernel/stop_machine.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 5d2d0562115b..3fe6b0c99f3d 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -82,18 +82,15 @@ static void cpu_stop_signal_done(struct cpu_stop_done *done)
}
static void __cpu_stop_queue_work(struct cpu_stopper *stopper,
- struct cpu_stop_work *work,
- struct wake_q_head *wakeq)
+ struct cpu_stop_work *work)
{
list_add_tail(&work->list, &stopper->works);
- wake_q_add(wakeq, stopper->thread);
}
/* queue @work to @stopper. if offline, @work is completed immediately */
static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
{
struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);
- DEFINE_WAKE_Q(wakeq);
unsigned long flags;
bool enabled;
@@ -101,12 +98,13 @@ static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
raw_spin_lock_irqsave(&stopper->lock, flags);
enabled = stopper->enabled;
if (enabled)
- __cpu_stop_queue_work(stopper, work, &wakeq);
+ __cpu_stop_queue_work(stopper, work);
else if (work->done)
cpu_stop_signal_done(work->done);
raw_spin_unlock_irqrestore(&stopper->lock, flags);
- wake_up_q(&wakeq);
+ if (enabled)
+ wake_up_process(stopper->thread);
preempt_enable();
return enabled;
@@ -264,7 +262,6 @@ static int cpu_stop_queue_two_works(int cpu1, struct cpu_stop_work *work1,
{
struct cpu_stopper *stopper1 = per_cpu_ptr(&cpu_stopper, cpu1);
struct cpu_stopper *stopper2 = per_cpu_ptr(&cpu_stopper, cpu2);
- DEFINE_WAKE_Q(wakeq);
int err;
retry:
@@ -300,8 +297,8 @@ retry:
}
err = 0;
- __cpu_stop_queue_work(stopper1, work1, &wakeq);
- __cpu_stop_queue_work(stopper2, work2, &wakeq);
+ __cpu_stop_queue_work(stopper1, work1);
+ __cpu_stop_queue_work(stopper2, work2);
unlock:
raw_spin_unlock(&stopper2->lock);
@@ -316,7 +313,10 @@ unlock:
goto retry;
}
- wake_up_q(&wakeq);
+ if (!err) {
+ wake_up_process(stopper1->thread);
+ wake_up_process(stopper2->thread);
+ }
preempt_enable();
return err;