* XHCI: sleep inside atomic
@ 2010-10-23 8:17 Jiri Slaby
2010-10-25 9:10 ` Xu, Andiry
0 siblings, 1 reply; 2+ messages in thread
From: Jiri Slaby @ 2010-10-23 8:17 UTC (permalink / raw)
To: andiry.xu; +Cc: dong.nguyen, libin.yang, sarah.a.sharp, Greg KH, USB list, LKML
Hi,
Stanse found that commit
USB: xHCI: PCI power management implementation
added xhci_setup_msix->kmalloc(GFP_KERNEL) and request_irq inside
xhci->lock spinlock. As these functions may sleep, this is deadlockable.
Could you fix that?
thanks,
--
js
^ permalink raw reply [flat|nested] 2+ messages in thread* RE: XHCI: sleep inside atomic
2010-10-23 8:17 XHCI: sleep inside atomic Jiri Slaby
@ 2010-10-25 9:10 ` Xu, Andiry
0 siblings, 0 replies; 2+ messages in thread
From: Xu, Andiry @ 2010-10-25 9:10 UTC (permalink / raw)
To: Jiri Slaby
Cc: Nguyen, Dong, Yang, Libin, sarah.a.sharp, Greg KH, USB list, LKML
Hmm....You're right. Thanks for catching this, I'll submit a patch
later.
Thanks & Best regards,
Andiry
> -----Original Message-----
> From: Jiri Slaby [mailto:jirislaby@gmail.com]
> Sent: Saturday, October 23, 2010 4:17 PM
> To: Xu, Andiry
> Cc: Nguyen, Dong; Yang, Libin; sarah.a.sharp@linux.intel.com; Greg KH;
USB
> list; LKML
> Subject: XHCI: sleep inside atomic
>
> Hi,
>
> Stanse found that commit
> USB: xHCI: PCI power management implementation
> added xhci_setup_msix->kmalloc(GFP_KERNEL) and request_irq inside
> xhci->lock spinlock. As these functions may sleep, this is
deadlockable.
> Could you fix that?
>
> thanks,
> --
> js
^ permalink raw reply [flat|nested] 2+ messages in thread
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