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Open Source and information security mailing list archives
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Date: Fri, 06 Aug 2010 18:30:05 -0700 From: Yinghai Lu <yinghai@...nel.org> To: "H. Peter Anvin" <hpa@...or.com> CC: "Eric W. Biederman" <ebiederm@...ssion.com>, mingo@...hat.com, linux-kernel@...r.kernel.org, tvrtko.ursulin@...hos.com, hilld@...arystorm.net, tglx@...utronix.de, hpa@...ux.intel.com, linux-tip-commits@...r.kernel.org Subject: Re: [tip:x86/urgent] x86, apic: Map the local apic when parsing the MP table. On 08/06/2010 06:21 PM, H. Peter Anvin wrote: > On 08/06/2010 06:08 PM, Eric W. Biederman wrote: >>> >>> I'm not sure the above is decipherable. Please provide an incremental >>> patch with a more detailed description. >> >> YH was saying I overoptimized, and it looks like he is right, >> although there are only one or two machines in existence that >> are likely to be affected. >> >> Untested patch to remove the cleverness below. It it boots all >> is well. >> > > This makes sense to me. Yinghai, do you have a system that is actually > affected, and if so, could you test this patch? no, i don't have those kind of system. found it when i was preparing more smp_register_lapic_address patcheset. I suggest we still keep !acpi_lapic checking, that should always right. Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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