From: Daniel Walker <dwalker@mvista.com>
To: Andrew Burgess <aab@cichlid.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: BUG: Real-Time Preemption 2.6.13-rc5-RT-V0.7.52-16
Date: Tue, 09 Aug 2005 17:26:28 -0700 [thread overview]
Message-ID: <1123633588.13135.27.camel@dhcp153.mvista.com> (raw)
In-Reply-To: <200508092158.j79LwlmM010246@cichlid.com>
This may fix the warning , but I doubt it does anything for any hangs..
--- linux-2.6.12.orig/drivers/usb/core/hcd.c 2005-08-09 22:41:18.000000000 +0000
+++ linux-2.6.12/drivers/usb/core/hcd.c 2005-08-10 00:23:16.000000000 +0000
@@ -540,8 +540,7 @@ void usb_hcd_poll_rh_status(struct usb_h
if (length > 0) {
/* try to complete the status urb */
- local_irq_save (flags);
- spin_lock(&hcd_root_hub_lock);
+ spin_lock_irqsave(&hcd_root_hub_lock, flags);
urb = hcd->status_urb;
if (urb) {
spin_lock(&urb->lock);
next prev parent reply other threads:[~2005-08-10 0:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-09 21:58 Andrew Burgess
2005-08-10 0:26 ` Daniel Walker [this message]
2005-08-10 11:52 ` Ingo Molnar
2005-08-10 14:54 ` Daniel Walker
2005-08-10 15:21 ` Daniel Walker
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