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Brice Goglin wrote: > Johannes Stezenbach a écrit : > > Johannes Stezenbach wrote: > > > >>Hype-threading stopped working for me (probably due to > >>me not enabling ACPI). dmesg output and .config attached. > >>-rc5 worked fine. The board is an Asus P4P800-Deluxe. > >> > >>dmesg: WARNING: 1 siblings found for CPU0, should be 2 > > > > > > Indeed SMT works fine if I enable ACPI. > > Is SMT without ACPI not supported? > > You can pass acpi=ht into the kernel command line to disable > ACPI except the minimum required to get HT support. That's nice, but I was thinking along the lines of: diff -ur linux-2.6.12-rc6.orig/arch/i386/Kconfig linux-2.6.12-rc6/arch/i386/Kconfig --- linux-2.6.12-rc6.orig/arch/i386/Kconfig 2005-06-06 23:16:27.000000000 +0200 +++ linux-2.6.12-rc6/arch/i386/Kconfig 2005-06-08 13:35:08.000000000 +0200 @@ -503,7 +503,7 @@ config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" - depends on SMP + depends on SMP && ACPI default off help SMT scheduler support improves the CPU scheduler's decision making Comments? Is this intended? Johannes - 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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