Re: [Patch 0/10]: Cleanup online reservations for 2.6.9-rc2-mm4.
From: Manfred Spraul (manfred_at_colorfullife.com)
Date: 09/30/04
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Date: Thu, 30 Sep 2004 18:00:36 +0200 To: Stephen Tweedie <sct@redhat.com>
sct wrote:
>Locking
>is minimised: the impact on the hot path consists of nothing more than
>an smp_rmb() before we test sb->s_groups_count. That's a noop on x86,
>
No, wrong way around:
wmb() is empty. rmb() is either lfence or a locked dummy instruction.
--
Manfred
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- Previous message: Ingo Saitz: "Re: Linux 2.6.9-rc3"
- Maybe in reply to: Stephen Tweedie: "[Patch 0/10]: Cleanup online reservations for 2.6.9-rc2-mm4."
- Next in thread: Stephen C. Tweedie: "Re: [Patch 0/10]: Cleanup online reservations for 2.6.9-rc2-mm4."
- Reply: Stephen C. Tweedie: "Re: [Patch 0/10]: Cleanup online reservations for 2.6.9-rc2-mm4."
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