Messages in this thread | | | Subject | RE: 2.6.0-test2 on Dell PE2650, ACPI_HT_ONLY strangeness | Date | Wed, 6 Aug 2003 11:48:43 -0400 | From | "Brown, Len" <> |
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You're right.
This was an ill-fated attempt at backwards compatibility. I removed acpismp=force in an ACPI cleanup a short time ago, and it should hit the tree via the ACPI maintainer after Andy returns from vacation.
Cheers, -Len
> -----Original Message----- > From: Mikael Pettersson [mailto:mikpe@csd.uu.se] > Sent: Wednesday, August 06, 2003 10:40 AM > To: linux-kernel@vger.kernel.org > Subject: 2.6.0-test2 on Dell PE2650, ACPI_HT_ONLY strangeness > > > Before upgrading our PowerEdge 2650 (dual HT Xeons, Tigon3, > aic7899, workspace on sw raid5 over 4 disks, ext3) to RH9, > I gave 2.6.0-test2 a spin. Worked fine, except for one thing. > > In 2.4, CONFIG_SMP automatically uses acpitable.c to detect > secondary threads via the MADT (since MPS doesn't handle them). > > In 2.6.0-test2, with CONFIG_SMP and CONFIG_ACPI_HT_ONLY, this > doesn't happen, _unless_ I also pass acpismp=force on the command > line. Without acpismp=force, it only finds two CPUs. > > The logic in arch/i386/kernel/setup.c, which defaults acpi to > disabled if HT_ONLY is chosen, seems backwards. Surely if I > configure HT_ONLY it's because I want to use it, no? > > /Mikael > - > 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/ > - 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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