Messages in this thread | | | Date | Wed, 31 Mar 2010 15:01:45 -0600 | From | Matthew Wilcox <> | Subject | Re: start_kernel(): bug: interrupts were enabled early |
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On Wed, Mar 31, 2010 at 01:47:23PM -0700, Yinghai Lu wrote: > >> > This appears to be caused by: > >> > > >> > start_kernel -> radix_tree_init -> kmem_cache_create (slub) -> > >> > down_write -> __down_write (lib/rwsem-spinlock.c) -> spin_unlock_irq > >> > > > That's going to be hard to fix. > > > spin_unlock_irq from arm is different from other archs?
Not all arches use lib/rwsem-spinlock.c. In particular, x86 doesn't when X86_XADD is set.
-- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."
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