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From: Nick Piggin <nickpiggin@yahoo.com.au> Subject: Re: [patch 2] mm: speculative get_page Date: Tue, 28 Jun 2005 14:50:31 +1000 > William Lee Irwin III wrote:> > >On Tue, Jun 28, 2005 at 11:42:16AM +1000, Nick Piggin wrote: > >> >spin_unlock() does not imply a memory barrier.> >> > Intriguing... BTW, I disagree with this assertion. spin_unlock() does imply a memory barrier. All memory operations before the release of the lock must execute before the lock release memory operation is globally visible. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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