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Date: Mon, 27 Sep 2010 11:58:28 +0400 From: Ivan Kokshaysky <ink@...assic.park.msu.ru> To: Al Viro <viro@...IV.linux.org.uk> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, rth@...ddle.net, linux-kernel@...r.kernel.org Subject: Re: alpha: potential race around hae_cache in RESTORE_ALL On Sat, Sep 25, 2010 at 08:25:09PM +0100, Al Viro wrote: > BTW, am I right assuming that HAE modifications is UP-only thing? It would > be obviously b0rken on any SMP box, since alpha_mv is not per-CPU thing... The only SMP system that does HAE modifications at runtime is T2, so it has a spinlock protection around set_hae() - see core_t2.h. Others are either limited to use HAE window 0 only, or do not have HAE hardware at all. Ivan. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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