On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: > Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > Gitweb: http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > Author: Jan Beulich <JBeulich@xxxxxxxx> > AuthorDate: Fri, 2 Nov 2012 14:21:23 +0000 > Committer: Ingo Molnar <mingo@xxxxxxxxxx> > CommitDate: Fri, 25 Jan 2013 09:23:51 +0100 > > x86/xor: Make virtualization friendly > > In virtualized environments, the CR0.TS management needed here > can be a lot slower than anticipated by the original authors of > this code, which particularly means that in such cases forcing > the use of SSE- (or MMX-) based implementations is not desirable > - actual measurements should always be done in that case. > > For consistency, pull into the shared (32- and 64-bit) header > not only the inclusion of the generic code, but also that of the > AVX variants. > This patch is wrong and should be dropped. I verified it with the KVM people that they do NOT want this change. It is a Xen-specific problem. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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