Re: More latency regressions with 2.6.11-rc4-RT-V0.7.39-02

From: Lee Revell (rlrevell_at_joe-job.com)
Date: 02/24/05

  • Next message: Guillaume Thouvenin: "Re: [PATCH 2.6.11-rc3-mm2] connector: Add a fork connector" 
    To: Hugh Dickins <hugh@veritas.com>
Date:	Thu, 24 Feb 2005 01:32:04 -0500

    On Thu, 2005-02-24 at 04:56 +0000, Hugh Dickins wrote:
    > On Wed, 23 Feb 2005, Lee Revell wrote:
    > > On Wed, 2005-02-23 at 20:53 +0000, Hugh Dickins wrote:
    > > > On Wed, 23 Feb 2005, Hugh Dickins wrote:
    > > > > Please replace by new patch below, which I'm now running through lmbench.
    > > >
    > > > That second patch seems fine, and I see no lmbench regression from it.
    > >
    > > Should go into 2.6.11, right?
    >
    > That's up to Andrew (and Linus).
    >
    > I was thinking that way when I rushed you the patch. But given that
    > you have remaining unresolved latency issues nearby (zap_pte_range,
    > clear_page_range), and given the warning shot that I screwed up my
    > first attempt, I'd be inclined to say hold off.
    >
    > It's a pity: for a while we were thinking 2.6.11 would be a big step
    > forward for mainline latency; but it now looks to me like these tests
    > have come too late in the cycle to be dealt with safely.
    >
    > In other mail, you do expect people still to be using Ingo's patches,
    > so probably this patch should stick there (and in -mm) for now.

    Well all of these were fixed in the past so it may not be unreasonable
    to fix them for 2.6.11.

    Lee

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  • Next message: Guillaume Thouvenin: "Re: [PATCH 2.6.11-rc3-mm2] connector: Add a fork connector"