Messages in this thread | | | Date | Sat, 05 May 2001 10:43:27 -0400 | From | Peter Rival <> | Subject | Re: [PATCH] CPU hot swap for 2.4.3 + s390 support |
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Has anyone looked into memory hot swap/hot add support? Especially with systems with Chipkill coming out, this would be great to support...
- Pete
Anton Blanchard wrote:
> Hi, > > You can find a new version of the hot swap cpu patch at: > > http://samba.org/~anton/patches/cpu_hotswap-2.4.3-patch > > The version for s390 (you need to first apply the 2.4.3 kernel > patch available on the IBM s390 Linux website) is at: > > http://samba.org/~anton/patches/cpu_hotswap-2.4.3-patch-s390 > > Many thanks to Heiko Carstens <Heiko.Carstens@de.ibm.com> for adding > s390 support and fixing a few bugs in the initial implementation. > You should be able to attach and detach CPUs depending on workload > in your s390 Linux guest images :) > > One of the advantages of this patch is that it removes cpu_logical_map() > and cpu_number_map() which people had a tendency to get wrong. > > It should also be easy to support more than BITS_PER_LONG cpus > as there is no concept of online_cpu_map any more. > > Anton > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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