Mailinglist Archive: opensuse-kernel (85 mails)

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Re: [opensuse-kernel] BadRAM patch for kernel
On 11/01/12 00:04, Michal Hocko wrote:
Hi,
I wasn't involved in any BadRAM discussions so I can only do these
statements from reading mailing list discussions[1].

On Tue 10-01-12 13:20:43, Basil Chupin wrote:
[...]
and came across a patch for the kernel which purports to use a feature
of the kernel to map bad RAM bytes and not use them thus avoiding the
need to replace RAM (perhaps unnecessarily). The patches do not go
beyond kernel 2.6.x.
The patch hasn't been accepted yet (if it gets accepted at all is
questionable). There are some concerns about the interface for bad
addresses specification.

I was wondering if this patch is now automatically built-in into the
kernel and patching the kernel is therefore no longer necessary (I
am using kernel 3.2 for example)?
No, it is not a part of the upstream (vanilla) nor our opensuse kernels.
The patch would need to be accepted (or at least there was a consensus
that it _will_ be in a compatible form) into upstream before we will
take it.

[1] https://lkml.org/lkml/2011/6/22/140

Thanks for your response. The patch has been around for some time I believe but then things move slowly when one is having fun :-) .

BC

--
It is easy to convince people of something, but hard to keep them convinced.
Niccolo Machiavelli

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