Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Tue, Feb 26, 2008 at 10:42 AM, Ravikiran Thirumalai <[EMAIL PROTECTED]> wrote: > On Mon, Feb 25, 2008 at 09:27:42PM -0800, Yinghai Lu wrote: > >On Mon, Feb 25, 2008 at 8:05 PM, Ravikiran Thirumalai <[EMAIL PROTECTED]> > wrote: > >> On Tue, Feb 26, 2008 at 04:46:25AM +0100, Andi Kleen wrote: >

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Mon, Feb 25, 2008 at 09:27:42PM -0800, Yinghai Lu wrote: >On Mon, Feb 25, 2008 at 8:05 PM, Ravikiran Thirumalai <[EMAIL PROTECTED]> >wrote: >> On Tue, Feb 26, 2008 at 04:46:25AM +0100, Andi Kleen wrote: >> >> > >> >If you can't support that in your hardware you're supposed >> >to clear it. >

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Mon, Feb 25, 2008 at 8:05 PM, Ravikiran Thirumalai <[EMAIL PROTECTED]> wrote: > On Tue, Feb 26, 2008 at 04:46:25AM +0100, Andi Kleen wrote: > >> I don't quite understand the purpose of the patch to begin with. Looking > at > >> the current x86 git tree, apic_is_clustered_box is used only to

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Tue, Feb 26, 2008 at 04:46:25AM +0100, Andi Kleen wrote: >> I don't quite understand the purpose of the patch to begin with. Looking at >> the current x86 git tree, apic_is_clustered_box is used only to determine if >> tsc is synchronized on the platform. The AMD docs imply that TSC's are not

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

> I don't quite understand the purpose of the patch to begin with. Looking at > the current x86 git tree, apic_is_clustered_box is used only to determine if > tsc is synchronized on the platform. The AMD docs imply that TSC's are not > guaranteed to be synced across cores between nodes -- Optero

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Mon, Feb 25, 2008 at 02:05:45PM -0800, Yinghai Lu wrote: >On Mon, Feb 25, 2008 at 11:08 AM, Ravikiran Thirumalai ><[EMAIL PROTECTED]> wrote: >> ... >> Andi, Yes. AMD based vSMPowered systems uses clustered APICs, and this >> check base on cpu vendor id is not good :(. > >please check if you h

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Mon, Feb 25, 2008 at 11:08 AM, Ravikiran Thirumalai <[EMAIL PROTECTED]> wrote: > On Sun, Feb 24, 2008 at 01:29:03PM +0100, Andi Kleen wrote: > >On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > >> > >> quad core 8 socket system will have apic id lifting.the apic id range > could

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Sun, Feb 24, 2008 at 01:29:03PM +0100, Andi Kleen wrote: >On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: >> >> quad core 8 socket system will have apic id lifting.the apic id range could >> be [4, 0x23]. and apic_is_clustered_box will think that need to three >> clusters >> and th

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Sun, Feb 24, 2008 at 4:29 AM, Andi Kleen <[EMAIL PROTECTED]> wrote: > On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > > > > quad core 8 socket system will have apic id lifting.the apic id range could > > be [4, 0x23]. and apic_is_clustered_box will think that need to three > cl

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

please check the fix for v2. this one can be applied to x86.git#testing YH --- [PATCH] x86_64: apic_is_clustered_box fix for vsmp quad core 8 socket system will have apic id lifting.the apic id range could be [4, 0x23]. and apic_is_clustered_box will think that need to three clusters and that i

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Sunday 24 February 2008 03:00:52 pm Yinghai Lu wrote: > On Sunday 24 February 2008 04:29:03 am Andi Kleen wrote: > > On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > > > > > > quad core 8 socket system will have apic id lifting.the apic id range > > > could > > > be [4, 0x23]. and

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Sunday 24 February 2008 04:29:03 am Andi Kleen wrote: > On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > > > > quad core 8 socket system will have apic id lifting.the apic id range could > > be [4, 0x23]. and apic_is_clustered_box will think that need to three > > clusters > > and

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > > quad core 8 socket system will have apic id lifting.the apic id range could > be [4, 0x23]. and apic_is_clustered_box will think that need to three clusters > and that is large than 2. So it is treated as clustered_box. Ok I see you

Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

* Yinghai Lu <[EMAIL PROTECTED]> wrote: > quad core 8 socket system will have apic id lifting.the apic id range > could be [4, 0x23]. and apic_is_clustered_box will think that need to > three clusters and that is large than 2. So it is treated as > clustered_box. > > and will get > > Marking

[PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

quad core 8 socket system will have apic id lifting.the apic id range could be [4, 0x23]. and apic_is_clustered_box will think that need to three clusters and that is large than 2. So it is treated as clustered_box. and will get Marking TSC unstable due to TSCs unsynchronized even the CPUs have