Re: [discuss] Re: NUMA support for dual core Opteron
On Fri, Jul 15, 2005 at 02:15:21PM -0400, Tom Vier wrote: > On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote: > > However with 90+W CPUs I would strongly recommend having support > > for PowerNow! and the old style PST table doesn't support > > dual core or SMP, so you need ACPI for that anyways. > > Do opterons even support powernow? The proc or sysfs control file never > shows up on mine and the cpu flags don't list it. Then again, neither does > my athlon64. They're all in 32bit mode. New enough ones when the BIOS supports it too: yes. Older ones didn't. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote: > However with 90+W CPUs I would strongly recommend having support > for PowerNow! and the old style PST table doesn't support > dual core or SMP, so you need ACPI for that anyways. Do opterons even support powernow? The proc or sysfs control file never shows up on mine and the cpu flags don't list it. Then again, neither does my athlon64. They're all in 32bit mode. -- Tom Vier <[EMAIL PROTECTED]> DSA Key ID 0x15741ECE - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Fri, 15 Jul 2005, Andi Kleen wrote: > Only on uniprocessor machines. Question for the AMD guys: is there a chance of getting non-proprietary-bios ACPI tables from AMD directly? I.e. ACPI tables as needed for power-now etc. could be released under GPL, making inclusion into linuxbios a bit simpler. Right now, the only ACPI table's I've seen all bear "IF I COPY THIS PLEASE SUE ME UNDER THE DMCA" notices :-) If such tables are available, and I'm just out of touch, I'd be very happy to hear that; please send me a URL. It makes no sense at all to me that ACPI would be copyright anyone, since they merely describe hardware, and even the OS guys might want to copy them around from node to node in some cases. But that's the problem right now. ron - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Fri, 15 Jul 2005, Andi Kleen wrote: Only on uniprocessor machines. Question for the AMD guys: is there a chance of getting non-proprietary-bios ACPI tables from AMD directly? I.e. ACPI tables as needed for power-now etc. could be released under GPL, making inclusion into linuxbios a bit simpler. Right now, the only ACPI table's I've seen all bear IF I COPY THIS PLEASE SUE ME UNDER THE DMCA notices :-) If such tables are available, and I'm just out of touch, I'd be very happy to hear that; please send me a URL. It makes no sense at all to me that ACPI would be copyright anyone, since they merely describe hardware, and even the OS guys might want to copy them around from node to node in some cases. But that's the problem right now. ron - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote: However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. Do opterons even support powernow? The proc or sysfs control file never shows up on mine and the cpu flags don't list it. Then again, neither does my athlon64. They're all in 32bit mode. -- Tom Vier [EMAIL PROTECTED] DSA Key ID 0x15741ECE - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Fri, Jul 15, 2005 at 02:15:21PM -0400, Tom Vier wrote: On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote: However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. Do opterons even support powernow? The proc or sysfs control file never shows up on mine and the cpu flags don't list it. Then again, neither does my athlon64. They're all in 32bit mode. New enough ones when the BIOS supports it too: yes. Older ones didn't. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
EFI support in x86-64? Is EFI only support IA64? Is acpi in EFI? YH On 7/14/05, Andi Kleen <[EMAIL PROTECTED]> wrote: > On Thu, 14 Jul 2005 20:52:58 -0700 > yhlu <[EMAIL PROTECTED]> wrote: > > > Andi, > > > > How do yo think about make x86-64 kernel support openfirmware interface? > > I don't like it. We already have the old x86 BIOS interfaces and ACPI > and at some point EFI. No need for more. > > -Andi > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, 14 Jul 2005 20:52:58 -0700 yhlu <[EMAIL PROTECTED]> wrote: > Andi, > > How do yo think about make x86-64 kernel support openfirmware interface? I don't like it. We already have the old x86 BIOS interfaces and ACPI and at some point EFI. No need for more. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
Andi, How do yo think about make x86-64 kernel support openfirmware interface? Can we borrow some code from ppc64 arch? YH On 7/14/05, Andi Kleen <[EMAIL PROTECTED]> wrote: > On Thu, Jul 14, 2005 at 07:46:49PM -0700, yhlu wrote: > > p.s. can you use powernow when acpi is disabled? > > Only on uniprocessor machines. > > > p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? > > powerpc64 uses openfirmware, not ACPI. > > -Andi > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, Jul 14, 2005 at 07:46:49PM -0700, yhlu wrote: > p.s. can you use powernow when acpi is disabled? Only on uniprocessor machines. > p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? powerpc64 uses openfirmware, not ACPI. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
I didn't see any problem about NUMA with LinuxBIOS + 8way dual core system. of couse the acpi support in Kernel is disabled. p.s. can you use powernow when acpi is disabled? p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? YH On 7/14/05, Andi Kleen <[EMAIL PROTECTED]> wrote: > [closed mailing list dropped. Sorry I have no plans to argue with > your mailbots] > > On Thu, Jul 14, 2005 at 01:00:01PM -0600, Ronald G. Minnich wrote: > > if there is any chance of getting along without ACPI entries that is best. > > Linux did do this once already, for SMP K8: K8 can boot and run NUMA > > without an SRAT table. What more is needed for dual core, and could Linux > > support in this area be extended? > > The dual core NUMA parsing problem could be probably fixed. I personally > have no plans to work on it though, since the ACPI method works fine. > > Feel free to submit patches. > > However with 90+W CPUs I would strongly recommend having support > for PowerNow! and the old style PST table doesn't support > dual core or SMP, so you need ACPI for that anyways. > > -Andi > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
[closed mailing list dropped. Sorry I have no plans to argue with your mailbots] On Thu, Jul 14, 2005 at 01:00:01PM -0600, Ronald G. Minnich wrote: > if there is any chance of getting along without ACPI entries that is best. > Linux did do this once already, for SMP K8: K8 can boot and run NUMA > without an SRAT table. What more is needed for dual core, and could Linux > support in this area be extended? The dual core NUMA parsing problem could be probably fixed. I personally have no plans to work on it though, since the ACPI method works fine. Feel free to submit patches. However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
[closed mailing list dropped. Sorry I have no plans to argue with your mailbots] On Thu, Jul 14, 2005 at 01:00:01PM -0600, Ronald G. Minnich wrote: if there is any chance of getting along without ACPI entries that is best. Linux did do this once already, for SMP K8: K8 can boot and run NUMA without an SRAT table. What more is needed for dual core, and could Linux support in this area be extended? The dual core NUMA parsing problem could be probably fixed. I personally have no plans to work on it though, since the ACPI method works fine. Feel free to submit patches. However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
I didn't see any problem about NUMA with LinuxBIOS + 8way dual core system. of couse the acpi support in Kernel is disabled. p.s. can you use powernow when acpi is disabled? p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? YH On 7/14/05, Andi Kleen [EMAIL PROTECTED] wrote: [closed mailing list dropped. Sorry I have no plans to argue with your mailbots] On Thu, Jul 14, 2005 at 01:00:01PM -0600, Ronald G. Minnich wrote: if there is any chance of getting along without ACPI entries that is best. Linux did do this once already, for SMP K8: K8 can boot and run NUMA without an SRAT table. What more is needed for dual core, and could Linux support in this area be extended? The dual core NUMA parsing problem could be probably fixed. I personally have no plans to work on it though, since the ACPI method works fine. Feel free to submit patches. However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, Jul 14, 2005 at 07:46:49PM -0700, yhlu wrote: p.s. can you use powernow when acpi is disabled? Only on uniprocessor machines. p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? powerpc64 uses openfirmware, not ACPI. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
Andi, How do yo think about make x86-64 kernel support openfirmware interface? Can we borrow some code from ppc64 arch? YH On 7/14/05, Andi Kleen [EMAIL PROTECTED] wrote: On Thu, Jul 14, 2005 at 07:46:49PM -0700, yhlu wrote: p.s. can you use powernow when acpi is disabled? Only on uniprocessor machines. p.s.s Is powerpc64 support ACPI? or ACPI is only can be used by x86? powerpc64 uses openfirmware, not ACPI. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
On Thu, 14 Jul 2005 20:52:58 -0700 yhlu [EMAIL PROTECTED] wrote: Andi, How do yo think about make x86-64 kernel support openfirmware interface? I don't like it. We already have the old x86 BIOS interfaces and ACPI and at some point EFI. No need for more. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [discuss] Re: NUMA support for dual core Opteron
EFI support in x86-64? Is EFI only support IA64? Is acpi in EFI? YH On 7/14/05, Andi Kleen [EMAIL PROTECTED] wrote: On Thu, 14 Jul 2005 20:52:58 -0700 yhlu [EMAIL PROTECTED] wrote: Andi, How do yo think about make x86-64 kernel support openfirmware interface? I don't like it. We already have the old x86 BIOS interfaces and ACPI and at some point EFI. No need for more. -Andi - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
