Re: [patch 2/21] reduced locking in buffer.c

[Linus Torvalds]

On Sun, 11 Aug 2002, Andrew Morton wrote:
> 
> Resend.  Replace the buffer lru spinlock protection with
> local_irq_disable and a cross-CPU call to invalidate them.

This almost certainly breaks on sparc, where CPU cross-calls are 
non-maskable, so local_irq_disable doesn't do anything for them.

Talk to Davem about this - there may be some workaround.

		Linus