[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [PATCH] fix pgd_lock deadlock
On 02/16/2011 09:49 AM, Andrea Arcangeli wrote: Subject: fix pgd_lock deadlock From: Andrea Arcangeli<aarcange@xxxxxxxxxx> It's forbidden to take the page_table_lock with the irq disabled or if there's contention the IPIs (for tlb flushes) sent with the page_table_lock held will never run leading to a deadlock. Apparently nobody takes the pgd_lock from irq so the _irqsave can be removed. Signed-off-by: Andrea Arcangeli<aarcange@xxxxxxxxxx> Acked-by: Rik van Riel <riel@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |