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SubjectRe: [patch] show_buffers() resurrection
Date
davem wrote: 
> Andrea, this was _SPECIFICALLY_ removed because it made the buffer
> cache locking more complex. You risk total and complete deadlock
> unless you change all of the buffer cache spinlocks to be IRQ
> spinlocks.
I don't see a deadlock, I only see problems for UP kernels
(spinlock and trylock both become NOP, linked lists could be corrupt)

Could you please explain the deadlock?

Thanks,
Manfred


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