Attachment 274001 Details for Bug 311391 – updated patch to fix futex DEBUG_PI printk storm on debug -rt kernel

updated patch to fix futex DEBUG_PI printk storm on debug -rt kernel

futex-pi-list-debug.patch (text/x-patch), 1.08 KB, created by Clark Williams on 2007-11-30 16:31:01 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Clark Williams

Created: 2007-11-30 16:31:01 UTC

Size: 1.08 KB

patch

obsolete

>Index: linux-2.6.21-rt-hack/kernel/futex.c
>===================================================================
>--- linux-2.6.21-rt-hack.orig/kernel/futex.c
>+++ linux-2.6.21-rt-hack/kernel/futex.c
>@@ -933,7 +933,11 @@ retry:
> 				plist_add(&this->list, &hb2->chain);
> 				this->lock_ptr = &hb2->lock;
> #ifdef CONFIG_DEBUG_PI_LIST
>+# ifdef CONFIG_PREEMPT_RT
>+				this->list.plist.lock = NULL;
>+# else
> 				this->list.plist.lock = &hb2->lock;
>+# endif
> #endif
> 			}
> 			this->key = key2;
>@@ -1198,7 +1202,11 @@ static int futex_requeue(u32 __user *uad
> 				plist_add(&this->list, &hb2->chain);
> 				this->lock_ptr = &hb2->lock;
> #ifdef CONFIG_DEBUG_PI_LIST
>+# ifdef CONFIG_PREEMPT_RT
>+				this->list.plist.lock = NULL;
>+# else
> 				this->list.plist.lock = &hb2->lock;
>+# endif
> #endif
> 			}
> 			this->key = key2;
>@@ -1259,7 +1267,11 @@ static inline void __queue_me(struct fut
> 
> 	plist_node_init(&q->list, prio);
> #ifdef CONFIG_DEBUG_PI_LIST
>+# ifdef CONFIG_PREEMPT_RT
>+	q->list.plist.lock = NULL;
>+# else
> 	q->list.plist.lock = &hb->lock;
>+# endif
> #endif
> 	plist_add(&q->list, &hb->chain);
> 	q->task = current;

Actions: View

Attachments on bug 311391: 234971 | 274001