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From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: binutils@sourceware.org
Subject: Re: PATCH: PR binutils/12283: bfd/doc doesn't support parallel build
Date: Thu, 02 Dec 2010 18:20:00 -0000	[thread overview]
Message-ID: <20101202182050.GB16143@gmx.de> (raw)
In-Reply-To: <AANLkTikDiv+z6DtpZ8DT64gKDtcxsdycJVdNwbExCs7-@mail.gmail.com>

* H.J. Lu wrote on Thu, Dec 02, 2010 at 07:16:07PM CET:
> On Thu, Dec 2, 2010 at 10:08 AM, Ralf Wildenhues wrote:
> > * H.J. Lu wrote on Thu, Dec 02, 2010 at 06:00:32PM CET:
> >> Any objection to this patch?
> >
> > The rule to update $(MKDOC):

> > should be atomic (the ';' should be '&&' though).  So, I would be
> 
> Failure is very random. There is a race condition. "make -j8" on a 16core
> machine can start making $(MKDOC) at the same time. How can move-if-change
> be 100% atomic?

Well, 'mv -f' within a mount point is atomic, that's how.  Show the
failure when you next see one, please.  Also, which make version?

We could move to the PR for gathering data?

Thanks,
Ralf

  reply	other threads:[~2010-12-02 18:20 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-02 17:00 H.J. Lu
2010-12-02 18:08 ` Ralf Wildenhues
2010-12-02 18:16   ` H.J. Lu
2010-12-02 18:20     ` Ralf Wildenhues [this message]
2010-12-02 18:22       ` Ralf Wildenhues
2010-12-02 18:32         ` Ralf Wildenhues
2010-12-02 18:40           ` H.J. Lu
2010-12-02 19:01             ` Ralf Wildenhues
2010-12-19 14:37           ` Ralf Wildenhues
2010-12-19 18:23             ` H.J. Lu
2011-01-27 23:57               ` Steve Ellcey
2011-01-28 20:15                 ` PATCH: import move-if-change from gnulib (was: PATCH: PR binutils/12283: bfd/doc doesn't support parallel build) Ralf Wildenhues
2011-01-28 21:12                   ` Steve Ellcey
2011-02-12 15:48                   ` Ralf Wildenhues
2011-01-28 23:32               ` PATCH: PR binutils/12283: bfd/doc doesn't support parallel build Steve Ellcey
2011-01-29  9:42                 ` Ralf Wildenhues
2011-01-31 18:33                   ` Steve Ellcey
2011-02-04  6:34                     ` Ralf Wildenhues
2011-02-04 17:51                       ` Andreas Schwab
2011-02-16  0:07                         ` Steve Ellcey
2011-02-16  5:09                           ` Ralf Wildenhues
2011-02-16 18:36                             ` Andreas Schwab
2011-02-05  0:25                       ` Steve Ellcey

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