Messages in this thread | | | Subject | Re: Latest tip kernel(3.2-rc1-tip_cf6b3899) fails to boot on x3850x5 machine | From | Suresh Siddha <> | Date | Fri, 16 Dec 2011 18:18:09 -0800 |
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On Fri, 2011-12-16 at 10:03 -0800, Yinghai Lu wrote: > On Fri, Dec 16, 2011 at 12:40 AM, Ingo Molnar <mingo@elte.hu> wrote: > > > IRQ_REMAP is a 'complex' option: > > > > config IRQ_REMAP > > bool "Support for Interrupt Remapping (EXPERIMENTAL)" > > depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL > > select DMAR_TABLE > > > > and selecting such complex options is generally dangerous, as > > the sub-dependencies are not explicitly selected. So if say > > PCI_MSI or ACPI are disabled, the select will still be performed > > by X86_X2APIC. > > > > Can we make the IRQ_REMAP default depend on X86_X2APIC or so, to > > solve this problem? > > but user could use IRQ_REMAP without x2apic.
Ingo's recommendation is for the default value. We can have multiple default conditions and the user can always override.
So I am ok with Ingo's suggestion.
> BTW: > Suresh, can we remove EXPERIMENTAL for IRQ_REMAP now?
Like Google products, beta for a long time ;)
Seriously, we can plan to remove this experimental in the next release.
thanks, suresh
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