From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: Andrew Burgess <aab@cichlid.com>, linux-kernel@vger.kernel.org
Subject: Re: BUG: Real-Time Preemption 2.6.13-rc5-RT-V0.7.52-16
Date: Wed, 10 Aug 2005 13:52:14 +0200 [thread overview]
Message-ID: <20050810115214.GA26108@elte.hu> (raw)
In-Reply-To: <1123633588.13135.27.camel@dhcp153.mvista.com>
* Daniel Walker <dwalker@mvista.com> wrote:
> 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);
what -RT tree is this against? This change is already in the -16 tree.
Ingo
next prev parent reply other threads:[~2005-08-10 11:52 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
2005-08-10 11:52 ` Ingo Molnar [this message]
2005-08-10 14:54 ` Daniel Walker
2005-08-10 15:21 ` Daniel Walker
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