From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Cc: "Jeremy Fitzhardinge" <jeremy@goop.org>,
"Ingo Molnar" <mingo@elte.hu>,
linux-kernel@vger.kernel.org, "Hugh Dickens" <hugh@veritas.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Rafał Miłecki" <zajec5@gmail.com>
Subject: Re: [PATCH 0 of 3] Low memory corruption detection and workaround
Date: Mon, 8 Sep 2008 21:23:04 +1000 [thread overview]
Message-ID: <200809082123.04780.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <48C3F237.1020503@tuffmail.co.uk>
On Monday 08 September 2008 01:24, Alan Jenkins wrote:
> Jeremy Fitzhardinge wrote:
> > Hi Ingo,
> >
> > This series implements a check and workaround for memory corruption in
> > low memory.
> >
> > The first patch adds the basic mechanism. The second adds some
> > enchancements from Hugh, namely periodic scanning for badness. The
> > third tidies the user interface up by adding a proper Kconfig option
> > and several kernel command-line parameters to enable the feature and
> > control the amount of memory it scans and how often. It also uses a
> > WARN() with the intention of getting any output into ksymoops.org.
> >
> > I've tested it as far as I can, but none of my systems seem to exhibit
> > this type of corruption so I haven't seen the failure case output. I
> > hope Alan and Rafał can test this version of the patch and report it
> > does the expected thing.
> >
> > [ Hugh - I took the liberty of splitting your patch up into a delta on
> > top of mine, moving the pure bugfixes into my base patch, and
> > putting your additional code into the new patch From you with your
> > sign-off from the original patch, and adding my own sob to reflect
> > the changes I made. I hope you don't mind. ]
Why not high memory as well? We put page tables there too...
(rant: why can we still buy non-ECC memory?)
next prev parent reply other threads:[~2008-09-08 11:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <patchbomb.1220777491@localhost>
[not found] ` <72081a970effa1a32861.1220777494@localhost>
2008-09-07 9:11 ` [PATCH 3 of 3] x86: clean up memory corruption check and add more kernel parameters Ingo Molnar
2008-09-07 9:37 ` [PATCH 4/3] x86: default corruption check to off, but put parameter default in Kconfig Jeremy Fitzhardinge
2008-09-07 15:40 ` Ingo Molnar
[not found] ` <20080907155030.GA24741@elte.hu>
2008-09-07 15:51 ` Ingo Molnar
2008-09-07 21:54 ` [PATCH 5/3] x86: fix compile error with corruption checking disabled Jeremy Fitzhardinge
2008-09-08 18:03 ` Ingo Molnar
2008-09-07 15:24 ` [PATCH 0 of 3] Low memory corruption detection and workaround Alan Jenkins
2008-09-08 11:23 ` Nick Piggin [this message]
2008-09-08 16:47 ` Jeremy Fitzhardinge
2008-09-08 17:01 ` Alan Cox
2008-09-08 18:44 ` Nick Piggin
2008-09-08 10:52 ` Hugh Dickins
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