From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>,
Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] break_lock forever broken
Date: Mon, 14 Mar 2005 22:01:45 +1100 [thread overview]
Message-ID: <42356F19.7060307@yahoo.com.au> (raw)
In-Reply-To: <20050314104611.GA30392@elte.hu>
Ingo Molnar wrote:
> * Arjan van de Ven <arjan@infradead.org> wrote:
>
>
>>as I said, since the cacheline just got dirtied, the write is just
>>half a cycle which is so much in the noise that it really doesn't
>>matter.
>
>
> ok - the patch below is a small modification of Hugh's so that we clear
> ->break_lock unconditionally. Since this code is not inlined it ought to
> have minimal icache impact too.
>
Fine by me.
prev parent reply other threads:[~2005-03-14 11:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-11 18:51 [PATCH] break_lock forever broken Hugh Dickins
2005-03-12 4:34 ` Andrew Morton
2005-03-12 23:20 ` Hugh Dickins
2005-03-13 8:23 ` Arjan van de Ven
2005-03-13 9:35 ` Hugh Dickins
2005-03-13 13:52 ` Arjan van de Ven
2005-03-14 5:01 ` Nick Piggin
2005-03-14 7:02 ` Ingo Molnar
2005-03-14 8:03 ` Nick Piggin
2005-03-14 8:14 ` Ingo Molnar
2005-03-14 8:24 ` Nick Piggin
2005-03-14 8:34 ` Arjan van de Ven
2005-03-14 8:43 ` Nick Piggin
2005-03-14 10:46 ` Ingo Molnar
2005-03-14 11:01 ` Nick Piggin [this message]
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